Home / 711,725.28-1,067,588.56-291,001.12

Finding the Fourth Proportional to 711,725.28, 1,067,588.56 and 291,001.12

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Solution

The fourth proportional to 711,725.28, 1,067,588.56 and 291,001.12 is: 436,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,725.28 : 1,067,588.56 = 291,001.12 : x
  2. Step 2: Convert to fraction form
    711,725.28/1,067,588.56 = 291,001.12/x
  3. Step 3: Cross multiply
    711,725.28x = 1,067,588.56 × 291,001.12
  4. Step 4: Simplify right side
    711,725.28x = 310,669,466,659.19
  5. Step 5: Solve for x
    x = 310,669,466,659.19/711,725.28
  6. Step 6: Final answer
    x = 436,501.94

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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.