Home / 972,008.96-1,341,373.20-542,289.16

Finding the Fourth Proportional to 972,008.96, 1,341,373.20 and 542,289.16

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Solution

The fourth proportional to 972,008.96, 1,341,373.20 and 542,289.16 is: 748,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,008.96 : 1,341,373.20 = 542,289.16 : x
  2. Step 2: Convert to fraction form
    972,008.96/1,341,373.20 = 542,289.16/x
  3. Step 3: Cross multiply
    972,008.96x = 1,341,373.20 × 542,289.16
  4. Step 4: Simplify right side
    972,008.96x = 727,412,139,167.65
  5. Step 5: Solve for x
    x = 727,412,139,167.65/972,008.96
  6. Step 6: Final answer
    x = 748,359.50

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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.