Home / 713,245.10-1,069,867.65-319,261.10

Finding the Fourth Proportional to 713,245.10, 1,069,867.65 and 319,261.10

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Solution

The fourth proportional to 713,245.10, 1,069,867.65 and 319,261.10 is: 478,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,245.10 : 1,069,867.65 = 319,261.10 : x
  2. Step 2: Convert to fraction form
    713,245.10/1,069,867.65 = 319,261.10/x
  3. Step 3: Cross multiply
    713,245.10x = 1,069,867.65 × 319,261.10
  4. Step 4: Simplify right side
    713,245.10x = 341,567,122,793.42
  5. Step 5: Solve for x
    x = 341,567,122,793.42/713,245.10
  6. Step 6: Final answer
    x = 478,891.65

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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.