Home / 713,094.20-1,069,641.30-313,310.60

Finding the Fourth Proportional to 713,094.20, 1,069,641.30 and 313,310.60

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Solution

The fourth proportional to 713,094.20, 1,069,641.30 and 313,310.60 is: 469,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,094.20 : 1,069,641.30 = 313,310.60 : x
  2. Step 2: Convert to fraction form
    713,094.20/1,069,641.30 = 313,310.60/x
  3. Step 3: Cross multiply
    713,094.20x = 1,069,641.30 × 313,310.60
  4. Step 4: Simplify right side
    713,094.20x = 335,129,957,487.78
  5. Step 5: Solve for x
    x = 335,129,957,487.78/713,094.20
  6. Step 6: Final answer
    x = 469,965.90

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Similar ratio
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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.