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Finding the Fourth Proportional to 395,689.16, 594,126.66 and 342,545.06

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Solution

The fourth proportional to 395,689.16, 594,126.66 and 342,545.06 is: 514,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,689.16 : 594,126.66 = 342,545.06 : x
  2. Step 2: Convert to fraction form
    395,689.16/594,126.66 = 342,545.06/x
  3. Step 3: Cross multiply
    395,689.16x = 594,126.66 × 342,545.06
  4. Step 4: Simplify right side
    395,689.16x = 203,515,152,397.30
  5. Step 5: Solve for x
    x = 203,515,152,397.30/395,689.16
  6. Step 6: Final answer
    x = 514,330.88

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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.