Home / 769,731.76-1,154,767.74-264,281.23

Finding the Fourth Proportional to 769,731.76, 1,154,767.74 and 264,281.23

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Solution

The fourth proportional to 769,731.76, 1,154,767.74 and 264,281.23 is: 396,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,731.76 : 1,154,767.74 = 264,281.23 : x
  2. Step 2: Convert to fraction form
    769,731.76/1,154,767.74 = 264,281.23/x
  3. Step 3: Cross multiply
    769,731.76x = 1,154,767.74 × 264,281.23
  4. Step 4: Simplify right side
    769,731.76x = 305,183,438,691.52
  5. Step 5: Solve for x
    x = 305,183,438,691.52/769,731.76
  6. Step 6: Final answer
    x = 396,480.25

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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.