Home / 972,008.46-1,341,372.51-542,288.66

Finding the Fourth Proportional to 972,008.46, 1,341,372.51 and 542,288.66

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Solution

The fourth proportional to 972,008.46, 1,341,372.51 and 542,288.66 is: 748,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,008.46 : 1,341,372.51 = 542,288.66 : x
  2. Step 2: Convert to fraction form
    972,008.46/1,341,372.51 = 542,288.66/x
  3. Step 3: Cross multiply
    972,008.46x = 1,341,372.51 × 542,288.66
  4. Step 4: Simplify right side
    972,008.46x = 727,411,094,301.87
  5. Step 5: Solve for x
    x = 727,411,094,301.87/972,008.46
  6. Step 6: Final answer
    x = 748,358.81

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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.