Home / 790,800.78-1,091,320.11-433,104.78

Finding the Fourth Proportional to 790,800.78, 1,091,320.11 and 433,104.78

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Solution

The fourth proportional to 790,800.78, 1,091,320.11 and 433,104.78 is: 597,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,800.78 : 1,091,320.11 = 433,104.78 : x
  2. Step 2: Convert to fraction form
    790,800.78/1,091,320.11 = 433,104.78/x
  3. Step 3: Cross multiply
    790,800.78x = 1,091,320.11 × 433,104.78
  4. Step 4: Simplify right side
    790,800.78x = 472,655,956,151.13
  5. Step 5: Solve for x
    x = 472,655,956,151.13/790,800.78
  6. Step 6: Final answer
    x = 597,692.83

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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.