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Finding the Fourth Proportional to 515,816.08, 767,483.52 and 502,959.76

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Solution

The fourth proportional to 515,816.08, 767,483.52 and 502,959.76 is: 748,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,816.08 : 767,483.52 = 502,959.76 : x
  2. Step 2: Convert to fraction form
    515,816.08/767,483.52 = 502,959.76/x
  3. Step 3: Cross multiply
    515,816.08x = 767,483.52 × 502,959.76
  4. Step 4: Simplify right side
    515,816.08x = 386,013,327,023.16
  5. Step 5: Solve for x
    x = 386,013,327,023.16/515,816.08
  6. Step 6: Final answer
    x = 748,354.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.