Home / 883,012.15-1,321,565.78-617,291.65

Finding the Fourth Proportional to 883,012.15, 1,321,565.78 and 617,291.65

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Solution

The fourth proportional to 883,012.15, 1,321,565.78 and 617,291.65 is: 923,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,012.15 : 1,321,565.78 = 617,291.65 : x
  2. Step 2: Convert to fraction form
    883,012.15/1,321,565.78 = 617,291.65/x
  3. Step 3: Cross multiply
    883,012.15x = 1,321,565.78 × 617,291.65
  4. Step 4: Simplify right side
    883,012.15x = 815,791,517,833.28
  5. Step 5: Solve for x
    x = 815,791,517,833.28/883,012.15
  6. Step 6: Final answer
    x = 923,873.49

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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.