Home / 1,014,390.70-1,521,002.85-304,312.30

Finding the Fourth Proportional to 1,014,390.70, 1,521,002.85 and 304,312.30

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Solution

The fourth proportional to 1,014,390.70, 1,521,002.85 and 304,312.30 is: 456,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,390.70 : 1,521,002.85 = 304,312.30 : x
  2. Step 2: Convert to fraction form
    1,014,390.70/1,521,002.85 = 304,312.30/x
  3. Step 3: Cross multiply
    1,014,390.70x = 1,521,002.85 × 304,312.30
  4. Step 4: Simplify right side
    1,014,390.70x = 462,859,875,590.06
  5. Step 5: Solve for x
    x = 462,859,875,590.06/1,014,390.70
  6. Step 6: Final answer
    x = 456,293.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.