Home / 650,208.20-975,312.30-335,280.20

Finding the Fourth Proportional to 650,208.20, 975,312.30 and 335,280.20

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Solution

The fourth proportional to 650,208.20, 975,312.30 and 335,280.20 is: 502,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,208.20 : 975,312.30 = 335,280.20 : x
  2. Step 2: Convert to fraction form
    650,208.20/975,312.30 = 335,280.20/x
  3. Step 3: Cross multiply
    650,208.20x = 975,312.30 × 335,280.20
  4. Step 4: Simplify right side
    650,208.20x = 327,002,903,006.46
  5. Step 5: Solve for x
    x = 327,002,903,006.46/650,208.20
  6. Step 6: Final answer
    x = 502,920.30

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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.