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Finding the Fourth Proportional to 515,053.40, 772,580.10 and 337,663.40

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Solution

The fourth proportional to 515,053.40, 772,580.10 and 337,663.40 is: 506,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,053.40 : 772,580.10 = 337,663.40 : x
  2. Step 2: Convert to fraction form
    515,053.40/772,580.10 = 337,663.40/x
  3. Step 3: Cross multiply
    515,053.40x = 772,580.10 × 337,663.40
  4. Step 4: Simplify right side
    515,053.40x = 260,872,023,338.34
  5. Step 5: Solve for x
    x = 260,872,023,338.34/515,053.40
  6. Step 6: Final answer
    x = 506,495.10

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Similar ratio
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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.