Home / 775,020.30-1,162,562.85-415,040.10

Finding the Fourth Proportional to 775,020.30, 1,162,562.85 and 415,040.10

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Solution

The fourth proportional to 775,020.30, 1,162,562.85 and 415,040.10 is: 622,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,020.30 : 1,162,562.85 = 415,040.10 : x
  2. Step 2: Convert to fraction form
    775,020.30/1,162,562.85 = 415,040.10/x
  3. Step 3: Cross multiply
    775,020.30x = 1,162,562.85 × 415,040.10
  4. Step 4: Simplify right side
    775,020.30x = 482,510,201,520.29
  5. Step 5: Solve for x
    x = 482,510,201,520.29/775,020.30
  6. Step 6: Final answer
    x = 622,577.50

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Double scale
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Similar ratio
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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.