Home / 972,517.52-1,342,141.80-542,881.52

Finding the Fourth Proportional to 972,517.52, 1,342,141.80 and 542,881.52

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Solution

The fourth proportional to 972,517.52, 1,342,141.80 and 542,881.52 is: 749,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,517.52 : 1,342,141.80 = 542,881.52 : x
  2. Step 2: Convert to fraction form
    972,517.52/1,342,141.80 = 542,881.52/x
  3. Step 3: Cross multiply
    972,517.52x = 1,342,141.80 × 542,881.52
  4. Step 4: Simplify right side
    972,517.52x = 728,623,980,439.54
  5. Step 5: Solve for x
    x = 728,623,980,439.54/972,517.52
  6. Step 6: Final answer
    x = 749,214.25

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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.