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Finding the Fourth Proportional to 609,278.49, 840,830.61 and 337,346.40

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Solution

The fourth proportional to 609,278.49, 840,830.61 and 337,346.40 is: 465,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,278.49 : 840,830.61 = 337,346.40 : x
  2. Step 2: Convert to fraction form
    609,278.49/840,830.61 = 337,346.40/x
  3. Step 3: Cross multiply
    609,278.49x = 840,830.61 × 337,346.40
  4. Step 4: Simplify right side
    609,278.49x = 283,651,179,293.30
  5. Step 5: Solve for x
    x = 283,651,179,293.30/609,278.49
  6. Step 6: Final answer
    x = 465,552.59

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1.5x scale

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.