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Finding the Fourth Proportional to 609,265.80, 840,813.09 and 337,333.70

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Solution

The fourth proportional to 609,265.80, 840,813.09 and 337,333.70 is: 465,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,265.80 : 840,813.09 = 337,333.70 : x
  2. Step 2: Convert to fraction form
    609,265.80/840,813.09 = 337,333.70/x
  3. Step 3: Cross multiply
    609,265.80x = 840,813.09 × 337,333.70
  4. Step 4: Simplify right side
    609,265.80x = 283,634,591,495.16
  5. Step 5: Solve for x
    x = 283,634,591,495.16/609,265.80
  6. Step 6: Final answer
    x = 465,535.06

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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.