Home / 711,815.40-1,067,723.10-238,343.40

Finding the Fourth Proportional to 711,815.40, 1,067,723.10 and 238,343.40

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Solution

The fourth proportional to 711,815.40, 1,067,723.10 and 238,343.40 is: 357,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,815.40 : 1,067,723.10 = 238,343.40 : x
  2. Step 2: Convert to fraction form
    711,815.40/1,067,723.10 = 238,343.40/x
  3. Step 3: Cross multiply
    711,815.40x = 1,067,723.10 × 238,343.40
  4. Step 4: Simplify right side
    711,815.40x = 254,484,753,912.54
  5. Step 5: Solve for x
    x = 254,484,753,912.54/711,815.40
  6. Step 6: Final answer
    x = 357,515.10

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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.