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Finding the Fourth Proportional to 609,358.40, 840,914.06 and 337,426.28

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Solution

The fourth proportional to 609,358.40, 840,914.06 and 337,426.28 is: 465,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,358.40 : 840,914.06 = 337,426.28 : x
  2. Step 2: Convert to fraction form
    609,358.40/840,914.06 = 337,426.28/x
  3. Step 3: Cross multiply
    609,358.40x = 840,914.06 × 337,426.28
  4. Step 4: Simplify right side
    609,358.40x = 283,746,506,011.35
  5. Step 5: Solve for x
    x = 283,746,506,011.35/609,358.40
  6. Step 6: Final answer
    x = 465,647.97

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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.