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Finding the Fourth Proportional to 586,098.10, 879,665.55 and 502,117.30

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Solution

The fourth proportional to 586,098.10, 879,665.55 and 502,117.30 is: 753,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,098.10 : 879,665.55 = 502,117.30 : x
  2. Step 2: Convert to fraction form
    586,098.10/879,665.55 = 502,117.30/x
  3. Step 3: Cross multiply
    586,098.10x = 879,665.55 × 502,117.30
  4. Step 4: Simplify right side
    586,098.10x = 441,695,290,869.02
  5. Step 5: Solve for x
    x = 441,695,290,869.02/586,098.10
  6. Step 6: Final answer
    x = 753,620.07

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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.