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Finding the Fourth Proportional to 609,364.08, 840,912.10 and 337,426.16

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Solution

The fourth proportional to 609,364.08, 840,912.10 and 337,426.16 is: 465,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,364.08 : 840,912.10 = 337,426.16 : x
  2. Step 2: Convert to fraction form
    609,364.08/840,912.10 = 337,426.16/x
  3. Step 3: Cross multiply
    609,364.08x = 840,912.10 × 337,426.16
  4. Step 4: Simplify right side
    609,364.08x = 283,745,735,752.41
  5. Step 5: Solve for x
    x = 283,745,735,752.41/609,364.08
  6. Step 6: Final answer
    x = 465,642.37

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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.