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Finding the Fourth Proportional to 609,364.07, 840,912.09 and 337,426.14

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Solution

The fourth proportional to 609,364.07, 840,912.09 and 337,426.14 is: 465,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,364.07 : 840,912.09 = 337,426.14 : x
  2. Step 2: Convert to fraction form
    609,364.07/840,912.09 = 337,426.14/x
  3. Step 3: Cross multiply
    609,364.07x = 840,912.09 × 337,426.14
  4. Step 4: Simplify right side
    609,364.07x = 283,745,720,608.03
  5. Step 5: Solve for x
    x = 283,745,720,608.03/609,364.07
  6. Step 6: Final answer
    x = 465,642.36

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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.