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Finding the Fourth Proportional to 608,915.61, 840,305.14 and 337,002.26

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Solution

The fourth proportional to 608,915.61, 840,305.14 and 337,002.26 is: 465,064.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,915.61 : 840,305.14 = 337,002.26 : x
  2. Step 2: Convert to fraction form
    608,915.61/840,305.14 = 337,002.26/x
  3. Step 3: Cross multiply
    608,915.61x = 840,305.14 × 337,002.26
  4. Step 4: Simplify right side
    608,915.61x = 283,184,726,225.59
  5. Step 5: Solve for x
    x = 283,184,726,225.59/608,915.61
  6. Step 6: Final answer
    x = 465,064.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.