Home / 813,158.78-1,122,175.36-473,648.90

Finding the Fourth Proportional to 813,158.78, 1,122,175.36 and 473,648.90

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Solution

The fourth proportional to 813,158.78, 1,122,175.36 and 473,648.90 is: 653,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,158.78 : 1,122,175.36 = 473,648.90 : x
  2. Step 2: Convert to fraction form
    813,158.78/1,122,175.36 = 473,648.90/x
  3. Step 3: Cross multiply
    813,158.78x = 1,122,175.36 × 473,648.90
  4. Step 4: Simplify right side
    813,158.78x = 531,517,124,871.10
  5. Step 5: Solve for x
    x = 531,517,124,871.10/813,158.78
  6. Step 6: Final answer
    x = 653,644.94

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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.