Home / 587,261.40-880,892.10-306,742.20

Finding the Fourth Proportional to 587,261.40, 880,892.10 and 306,742.20

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Solution

The fourth proportional to 587,261.40, 880,892.10 and 306,742.20 is: 460,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,261.40 : 880,892.10 = 306,742.20 : x
  2. Step 2: Convert to fraction form
    587,261.40/880,892.10 = 306,742.20/x
  3. Step 3: Cross multiply
    587,261.40x = 880,892.10 × 306,742.20
  4. Step 4: Simplify right side
    587,261.40x = 270,206,780,716.62
  5. Step 5: Solve for x
    x = 270,206,780,716.62/587,261.40
  6. Step 6: Final answer
    x = 460,113.30

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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.