Home / 971,999.20-1,341,359.74-542,279.42

Finding the Fourth Proportional to 971,999.20, 1,341,359.74 and 542,279.42

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Solution

The fourth proportional to 971,999.20, 1,341,359.74 and 542,279.42 is: 748,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.20 : 1,341,359.74 = 542,279.42 : x
  2. Step 2: Convert to fraction form
    971,999.20/1,341,359.74 = 542,279.42/x
  3. Step 3: Cross multiply
    971,999.20x = 1,341,359.74 × 542,279.42
  4. Step 4: Simplify right side
    971,999.20x = 727,391,772,400.36
  5. Step 5: Solve for x
    x = 727,391,772,400.36/971,999.20
  6. Step 6: Final answer
    x = 748,346.06

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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.