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Finding the Fourth Proportional to 609,343.47, 840,883.70 and 337,405.53

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Solution

The fourth proportional to 609,343.47, 840,883.70 and 337,405.53 is: 465,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,343.47 : 840,883.70 = 337,405.53 : x
  2. Step 2: Convert to fraction form
    609,343.47/840,883.70 = 337,405.53/x
  3. Step 3: Cross multiply
    609,343.47x = 840,883.70 × 337,405.53
  4. Step 4: Simplify right side
    609,343.47x = 283,718,808,779.83
  5. Step 5: Solve for x
    x = 283,718,808,779.83/609,343.47
  6. Step 6: Final answer
    x = 465,613.93

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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.