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Finding the Fourth Proportional to 609,654.84, 841,312.62 and 337,721.90

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Solution

The fourth proportional to 609,654.84, 841,312.62 and 337,721.90 is: 466,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,654.84 : 841,312.62 = 337,721.90 : x
  2. Step 2: Convert to fraction form
    609,654.84/841,312.62 = 337,721.90/x
  3. Step 3: Cross multiply
    609,654.84x = 841,312.62 × 337,721.90
  4. Step 4: Simplify right side
    609,654.84x = 284,129,692,313.82
  5. Step 5: Solve for x
    x = 284,129,692,313.82/609,654.84
  6. Step 6: Final answer
    x = 466,050.09

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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.