Home / 685,233.60-1,027,850.40-472,657.20

Finding the Fourth Proportional to 685,233.60, 1,027,850.40 and 472,657.20

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Solution

The fourth proportional to 685,233.60, 1,027,850.40 and 472,657.20 is: 708,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,233.60 : 1,027,850.40 = 472,657.20 : x
  2. Step 2: Convert to fraction form
    685,233.60/1,027,850.40 = 472,657.20/x
  3. Step 3: Cross multiply
    685,233.60x = 1,027,850.40 × 472,657.20
  4. Step 4: Simplify right side
    685,233.60x = 485,820,892,082.88
  5. Step 5: Solve for x
    x = 485,820,892,082.88/685,233.60
  6. Step 6: Final answer
    x = 708,985.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.