Home / 972,000.29-1,341,358.42-542,254.79

Finding the Fourth Proportional to 972,000.29, 1,341,358.42 and 542,254.79

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Solution

The fourth proportional to 972,000.29, 1,341,358.42 and 542,254.79 is: 748,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.29 : 1,341,358.42 = 542,254.79 : x
  2. Step 2: Convert to fraction form
    972,000.29/1,341,358.42 = 542,254.79/x
  3. Step 3: Cross multiply
    972,000.29x = 1,341,358.42 × 542,254.79
  4. Step 4: Simplify right side
    972,000.29x = 727,358,028,351.83
  5. Step 5: Solve for x
    x = 727,358,028,351.83/972,000.29
  6. Step 6: Final answer
    x = 748,310.51

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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.