Home / 972,102.56-1,341,499.68-542,357.12

Finding the Fourth Proportional to 972,102.56, 1,341,499.68 and 542,357.12

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Solution

The fourth proportional to 972,102.56, 1,341,499.68 and 542,357.12 is: 748,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,102.56 : 1,341,499.68 = 542,357.12 : x
  2. Step 2: Convert to fraction form
    972,102.56/1,341,499.68 = 542,357.12/x
  3. Step 3: Cross multiply
    972,102.56x = 1,341,499.68 × 542,357.12
  4. Step 4: Simplify right side
    972,102.56x = 727,571,902,925.72
  5. Step 5: Solve for x
    x = 727,571,902,925.72/972,102.56
  6. Step 6: Final answer
    x = 748,451.79

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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.