Home / 775,565.78-1,164,438.58-396,758.24

Finding the Fourth Proportional to 775,565.78, 1,164,438.58 and 396,758.24

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Solution

The fourth proportional to 775,565.78, 1,164,438.58 and 396,758.24 is: 595,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,565.78 : 1,164,438.58 = 396,758.24 : x
  2. Step 2: Convert to fraction form
    775,565.78/1,164,438.58 = 396,758.24/x
  3. Step 3: Cross multiply
    775,565.78x = 1,164,438.58 × 396,758.24
  4. Step 4: Simplify right side
    775,565.78x = 462,000,601,588.90
  5. Step 5: Solve for x
    x = 462,000,601,588.90/775,565.78
  6. Step 6: Final answer
    x = 595,694.93

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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.