Home / 972,016.50-1,341,421.65-542,334.18

Finding the Fourth Proportional to 972,016.50, 1,341,421.65 and 542,334.18

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Solution

The fourth proportional to 972,016.50, 1,341,421.65 and 542,334.18 is: 748,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,016.50 : 1,341,421.65 = 542,334.18 : x
  2. Step 2: Convert to fraction form
    972,016.50/1,341,421.65 = 542,334.18/x
  3. Step 3: Cross multiply
    972,016.50x = 1,341,421.65 × 542,334.18
  4. Step 4: Simplify right side
    972,016.50x = 727,498,810,587.00
  5. Step 5: Solve for x
    x = 727,498,810,587.00/972,016.50
  6. Step 6: Final answer
    x = 748,442.86

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Double scale
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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.