Home / 723,066.32-1,084,690.20-217,548.56

Finding the Fourth Proportional to 723,066.32, 1,084,690.20 and 217,548.56

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Solution

The fourth proportional to 723,066.32, 1,084,690.20 and 217,548.56 is: 326,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,066.32 : 1,084,690.20 = 217,548.56 : x
  2. Step 2: Convert to fraction form
    723,066.32/1,084,690.20 = 217,548.56/x
  3. Step 3: Cross multiply
    723,066.32x = 1,084,690.20 × 217,548.56
  4. Step 4: Simplify right side
    723,066.32x = 235,972,791,056.11
  5. Step 5: Solve for x
    x = 235,972,791,056.11/723,066.32
  6. Step 6: Final answer
    x = 326,350.13

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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.