Home / 972,007.29-1,341,370.90-542,287.54

Finding the Fourth Proportional to 972,007.29, 1,341,370.90 and 542,287.54

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Solution

The fourth proportional to 972,007.29, 1,341,370.90 and 542,287.54 is: 748,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,007.29 : 1,341,370.90 = 542,287.54 : x
  2. Step 2: Convert to fraction form
    972,007.29/1,341,370.90 = 542,287.54/x
  3. Step 3: Cross multiply
    972,007.29x = 1,341,370.90 × 542,287.54
  4. Step 4: Simplify right side
    972,007.29x = 727,408,727,943.16
  5. Step 5: Solve for x
    x = 727,408,727,943.16/972,007.29
  6. Step 6: Final answer
    x = 748,357.28

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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.