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Finding the Fourth Proportional to 408,285.04, 612,440.16 and 337,758.16

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Solution

The fourth proportional to 408,285.04, 612,440.16 and 337,758.16 is: 506,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,285.04 : 612,440.16 = 337,758.16 : x
  2. Step 2: Convert to fraction form
    408,285.04/612,440.16 = 337,758.16/x
  3. Step 3: Cross multiply
    408,285.04x = 612,440.16 × 337,758.16
  4. Step 4: Simplify right side
    408,285.04x = 206,856,661,551.71
  5. Step 5: Solve for x
    x = 206,856,661,551.71/408,285.04
  6. Step 6: Final answer
    x = 506,647.66

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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.