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Finding the Fourth Proportional to 542,032.59, 748,010.93 and 300,318.95

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Solution

The fourth proportional to 542,032.59, 748,010.93 and 300,318.95 is: 414,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,032.59 : 748,010.93 = 300,318.95 : x
  2. Step 2: Convert to fraction form
    542,032.59/748,010.93 = 300,318.95/x
  3. Step 3: Cross multiply
    542,032.59x = 748,010.93 × 300,318.95
  4. Step 4: Simplify right side
    542,032.59x = 224,641,851,844.47
  5. Step 5: Solve for x
    x = 224,641,851,844.47/542,032.59
  6. Step 6: Final answer
    x = 414,443.44

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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.