Home / 972,009.46-1,341,373.89-542,289.66

Finding the Fourth Proportional to 972,009.46, 1,341,373.89 and 542,289.66

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Solution

The fourth proportional to 972,009.46, 1,341,373.89 and 542,289.66 is: 748,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,009.46 : 1,341,373.89 = 542,289.66 : x
  2. Step 2: Convert to fraction form
    972,009.46/1,341,373.89 = 542,289.66/x
  3. Step 3: Cross multiply
    972,009.46x = 1,341,373.89 × 542,289.66
  4. Step 4: Simplify right side
    972,009.46x = 727,413,190,740.98
  5. Step 5: Solve for x
    x = 727,413,190,740.98/972,009.46
  6. Step 6: Final answer
    x = 748,360.20

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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.