Home / 972,001.29-1,341,359.80-542,255.79

Finding the Fourth Proportional to 972,001.29, 1,341,359.80 and 542,255.79

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Solution

The fourth proportional to 972,001.29, 1,341,359.80 and 542,255.79 is: 748,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.29 : 1,341,359.80 = 542,255.79 : x
  2. Step 2: Convert to fraction form
    972,001.29/1,341,359.80 = 542,255.79/x
  3. Step 3: Cross multiply
    972,001.29x = 1,341,359.80 × 542,255.79
  4. Step 4: Simplify right side
    972,001.29x = 727,360,118,023.24
  5. Step 5: Solve for x
    x = 727,360,118,023.24/972,001.29
  6. Step 6: Final answer
    x = 748,311.89

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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.