Home / 905,490.22-1,249,304.01-542,781.73

Finding the Fourth Proportional to 905,490.22, 1,249,304.01 and 542,781.73

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Solution

The fourth proportional to 905,490.22, 1,249,304.01 and 542,781.73 is: 748,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,490.22 : 1,249,304.01 = 542,781.73 : x
  2. Step 2: Convert to fraction form
    905,490.22/1,249,304.01 = 542,781.73/x
  3. Step 3: Cross multiply
    905,490.22x = 1,249,304.01 × 542,781.73
  4. Step 4: Simplify right side
    905,490.22x = 678,099,391,843.74
  5. Step 5: Solve for x
    x = 678,099,391,843.74/905,490.22
  6. Step 6: Final answer
    x = 748,875.45

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Double scale
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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.