Home / 741,338.30-1,112,007.45-442,156.70

Finding the Fourth Proportional to 741,338.30, 1,112,007.45 and 442,156.70

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Solution

The fourth proportional to 741,338.30, 1,112,007.45 and 442,156.70 is: 663,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,338.30 : 1,112,007.45 = 442,156.70 : x
  2. Step 2: Convert to fraction form
    741,338.30/1,112,007.45 = 442,156.70/x
  3. Step 3: Cross multiply
    741,338.30x = 1,112,007.45 × 442,156.70
  4. Step 4: Simplify right side
    741,338.30x = 491,681,544,467.42
  5. Step 5: Solve for x
    x = 491,681,544,467.42/741,338.30
  6. Step 6: Final answer
    x = 663,235.05

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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.