Home / 486,459.25-671,541.30-282,470.44

Finding the Fourth Proportional to 486,459.25, 671,541.30 and 282,470.44

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Solution

The fourth proportional to 486,459.25, 671,541.30 and 282,470.44 is: 389,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,459.25 : 671,541.30 = 282,470.44 : x
  2. Step 2: Convert to fraction form
    486,459.25/671,541.30 = 282,470.44/x
  3. Step 3: Cross multiply
    486,459.25x = 671,541.30 × 282,470.44
  4. Step 4: Simplify right side
    486,459.25x = 189,690,566,489.17
  5. Step 5: Solve for x
    x = 189,690,566,489.17/486,459.25
  6. Step 6: Final answer
    x = 389,941.33

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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.