Home / 782,654.10-1,173,981.15-502,718.10

Finding the Fourth Proportional to 782,654.10, 1,173,981.15 and 502,718.10

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Solution

The fourth proportional to 782,654.10, 1,173,981.15 and 502,718.10 is: 754,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,654.10 : 1,173,981.15 = 502,718.10 : x
  2. Step 2: Convert to fraction form
    782,654.10/1,173,981.15 = 502,718.10/x
  3. Step 3: Cross multiply
    782,654.10x = 1,173,981.15 × 502,718.10
  4. Step 4: Simplify right side
    782,654.10x = 590,181,573,163.82
  5. Step 5: Solve for x
    x = 590,181,573,163.82/782,654.10
  6. Step 6: Final answer
    x = 754,077.15

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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.