Home / 814,349.39-1,221,135.21-477,492.62

Finding the Fourth Proportional to 814,349.39, 1,221,135.21 and 477,492.62

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Solution

The fourth proportional to 814,349.39, 1,221,135.21 and 477,492.62 is: 716,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,349.39 : 1,221,135.21 = 477,492.62 : x
  2. Step 2: Convert to fraction form
    814,349.39/1,221,135.21 = 477,492.62/x
  3. Step 3: Cross multiply
    814,349.39x = 1,221,135.21 × 477,492.62
  4. Step 4: Simplify right side
    814,349.39x = 583,083,044,691.47
  5. Step 5: Solve for x
    x = 583,083,044,691.47/814,349.39
  6. Step 6: Final answer
    x = 716,010.91

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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.