Home / 1,040,341.52-1,560,566.24-330,425.12

Finding the Fourth Proportional to 1,040,341.52, 1,560,566.24 and 330,425.12

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Solution

The fourth proportional to 1,040,341.52, 1,560,566.24 and 330,425.12 is: 495,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,341.52 : 1,560,566.24 = 330,425.12 : x
  2. Step 2: Convert to fraction form
    1,040,341.52/1,560,566.24 = 330,425.12/x
  3. Step 3: Cross multiply
    1,040,341.52x = 1,560,566.24 × 330,425.12
  4. Step 4: Simplify right side
    1,040,341.52x = 515,650,287,119.95
  5. Step 5: Solve for x
    x = 515,650,287,119.95/1,040,341.52
  6. Step 6: Final answer
    x = 495,654.82

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Double scale
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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.