Home / 712,958.66-1,069,438.78-180,479.64

Finding the Fourth Proportional to 712,958.66, 1,069,438.78 and 180,479.64

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Solution

The fourth proportional to 712,958.66, 1,069,438.78 and 180,479.64 is: 270,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,958.66 : 1,069,438.78 = 180,479.64 : x
  2. Step 2: Convert to fraction form
    712,958.66/1,069,438.78 = 180,479.64/x
  3. Step 3: Cross multiply
    712,958.66x = 1,069,438.78 × 180,479.64
  4. Step 4: Simplify right side
    712,958.66x = 193,011,926,016.44
  5. Step 5: Solve for x
    x = 193,011,926,016.44/712,958.66
  6. Step 6: Final answer
    x = 270,719.66

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Double scale
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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.