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Finding the Fourth Proportional to 609,280.45, 840,748.65 and 337,338.41

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Solution

The fourth proportional to 609,280.45, 840,748.65 and 337,338.41 is: 465,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,280.45 : 840,748.65 = 337,338.41 : x
  2. Step 2: Convert to fraction form
    609,280.45/840,748.65 = 337,338.41/x
  3. Step 3: Cross multiply
    609,280.45x = 840,748.65 × 337,338.41
  4. Step 4: Simplify right side
    609,280.45x = 283,616,807,331.88
  5. Step 5: Solve for x
    x = 283,616,807,331.88/609,280.45
  6. Step 6: Final answer
    x = 465,494.68

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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.