Home / 639,941.33-959,737.02-240,551.39

Finding the Fourth Proportional to 639,941.33, 959,737.02 and 240,551.39

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Solution

The fourth proportional to 639,941.33, 959,737.02 and 240,551.39 is: 360,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,941.33 : 959,737.02 = 240,551.39 : x
  2. Step 2: Convert to fraction form
    639,941.33/959,737.02 = 240,551.39/x
  3. Step 3: Cross multiply
    639,941.33x = 959,737.02 × 240,551.39
  4. Step 4: Simplify right side
    639,941.33x = 230,866,074,195.46
  5. Step 5: Solve for x
    x = 230,866,074,195.46/639,941.33
  6. Step 6: Final answer
    x = 360,761.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.