Home / 887,136.47-1,224,249.41-479,238.29

Finding the Fourth Proportional to 887,136.47, 1,224,249.41 and 479,238.29

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Solution

The fourth proportional to 887,136.47, 1,224,249.41 and 479,238.29 is: 661,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,136.47 : 1,224,249.41 = 479,238.29 : x
  2. Step 2: Convert to fraction form
    887,136.47/1,224,249.41 = 479,238.29/x
  3. Step 3: Cross multiply
    887,136.47x = 1,224,249.41 × 479,238.29
  4. Step 4: Simplify right side
    887,136.47x = 586,707,190,753.98
  5. Step 5: Solve for x
    x = 586,707,190,753.98/887,136.47
  6. Step 6: Final answer
    x = 661,349.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.