Home / 791,454.38-1,091,793.87-485,598.98

Finding the Fourth Proportional to 791,454.38, 1,091,793.87 and 485,598.98

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Solution

The fourth proportional to 791,454.38, 1,091,793.87 and 485,598.98 is: 669,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,454.38 : 1,091,793.87 = 485,598.98 : x
  2. Step 2: Convert to fraction form
    791,454.38/1,091,793.87 = 485,598.98/x
  3. Step 3: Cross multiply
    791,454.38x = 1,091,793.87 × 485,598.98
  4. Step 4: Simplify right side
    791,454.38x = 530,173,992,371.74
  5. Step 5: Solve for x
    x = 530,173,992,371.74/791,454.38
  6. Step 6: Final answer
    x = 669,873.10

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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.