Home / 810,711.16-1,216,116.90-271,016.01

Finding the Fourth Proportional to 810,711.16, 1,216,116.90 and 271,016.01

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Solution

The fourth proportional to 810,711.16, 1,216,116.90 and 271,016.01 is: 406,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,711.16 : 1,216,116.90 = 271,016.01 : x
  2. Step 2: Convert to fraction form
    810,711.16/1,216,116.90 = 271,016.01/x
  3. Step 3: Cross multiply
    810,711.16x = 1,216,116.90 × 271,016.01
  4. Step 4: Simplify right side
    810,711.16x = 329,587,149,931.57
  5. Step 5: Solve for x
    x = 329,587,149,931.57/810,711.16
  6. Step 6: Final answer
    x = 406,540.78

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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.