Home / 813,162.30-1,122,180.21-473,652.42

Finding the Fourth Proportional to 813,162.30, 1,122,180.21 and 473,652.42

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Solution

The fourth proportional to 813,162.30, 1,122,180.21 and 473,652.42 is: 653,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,162.30 : 1,122,180.21 = 473,652.42 : x
  2. Step 2: Convert to fraction form
    813,162.30/1,122,180.21 = 473,652.42/x
  3. Step 3: Cross multiply
    813,162.30x = 1,122,180.21 × 473,652.42
  4. Step 4: Simplify right side
    813,162.30x = 531,523,372,142.61
  5. Step 5: Solve for x
    x = 531,523,372,142.61/813,162.30
  6. Step 6: Final answer
    x = 653,649.80

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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.