Home / 890,431.43-1,332,454.51-770,899.53

Finding the Fourth Proportional to 890,431.43, 1,332,454.51 and 770,899.53

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Solution

The fourth proportional to 890,431.43, 1,332,454.51 and 770,899.53 is: 1,153,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,431.43 : 1,332,454.51 = 770,899.53 : x
  2. Step 2: Convert to fraction form
    890,431.43/1,332,454.51 = 770,899.53/x
  3. Step 3: Cross multiply
    890,431.43x = 1,332,454.51 × 770,899.53
  4. Step 4: Simplify right side
    890,431.43x = 1,027,188,555,505.38
  5. Step 5: Solve for x
    x = 1,027,188,555,505.38/890,431.43
  6. Step 6: Final answer
    x = 1,153,585.24

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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.