Home / 787,414.30-1,181,309.57-254,935.89

Finding the Fourth Proportional to 787,414.30, 1,181,309.57 and 254,935.89

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Solution

The fourth proportional to 787,414.30, 1,181,309.57 and 254,935.89 is: 382,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,414.30 : 1,181,309.57 = 254,935.89 : x
  2. Step 2: Convert to fraction form
    787,414.30/1,181,309.57 = 254,935.89/x
  3. Step 3: Cross multiply
    787,414.30x = 1,181,309.57 × 254,935.89
  4. Step 4: Simplify right side
    787,414.30x = 301,158,206,274.80
  5. Step 5: Solve for x
    x = 301,158,206,274.80/787,414.30
  6. Step 6: Final answer
    x = 382,464.74

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1.5x scale

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.