Home / 879,010.32-1,317,642.55-499,144.82

Finding the Fourth Proportional to 879,010.32, 1,317,642.55 and 499,144.82

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Solution

The fourth proportional to 879,010.32, 1,317,642.55 and 499,144.82 is: 748,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,010.32 : 1,317,642.55 = 499,144.82 : x
  2. Step 2: Convert to fraction form
    879,010.32/1,317,642.55 = 499,144.82/x
  3. Step 3: Cross multiply
    879,010.32x = 1,317,642.55 × 499,144.82
  4. Step 4: Simplify right side
    879,010.32x = 657,694,454,676.40
  5. Step 5: Solve for x
    x = 657,694,454,676.40/879,010.32
  6. Step 6: Final answer
    x = 748,221.54

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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.