Home / 1,014,392.20-1,521,005.10-304,313.80

Finding the Fourth Proportional to 1,014,392.20, 1,521,005.10 and 304,313.80

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Solution

The fourth proportional to 1,014,392.20, 1,521,005.10 and 304,313.80 is: 456,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,392.20 : 1,521,005.10 = 304,313.80 : x
  2. Step 2: Convert to fraction form
    1,014,392.20/1,521,005.10 = 304,313.80/x
  3. Step 3: Cross multiply
    1,014,392.20x = 1,521,005.10 × 304,313.80
  4. Step 4: Simplify right side
    1,014,392.20x = 462,862,841,800.38
  5. Step 5: Solve for x
    x = 462,862,841,800.38/1,014,392.20
  6. Step 6: Final answer
    x = 456,295.74

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Double scale
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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.