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Finding the Fourth Proportional to 542,032.09, 748,010.24 and 300,318.45

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Solution

The fourth proportional to 542,032.09, 748,010.24 and 300,318.45 is: 414,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,032.09 : 748,010.24 = 300,318.45 : x
  2. Step 2: Convert to fraction form
    542,032.09/748,010.24 = 300,318.45/x
  3. Step 3: Cross multiply
    542,032.09x = 748,010.24 × 300,318.45
  4. Step 4: Simplify right side
    542,032.09x = 224,641,275,860.93
  5. Step 5: Solve for x
    x = 224,641,275,860.93/542,032.09
  6. Step 6: Final answer
    x = 414,442.76

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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.