Home / 887,868.05-1,225,377.86-500,762.97

Finding the Fourth Proportional to 887,868.05, 1,225,377.86 and 500,762.97

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Solution

The fourth proportional to 887,868.05, 1,225,377.86 and 500,762.97 is: 691,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,868.05 : 1,225,377.86 = 500,762.97 : x
  2. Step 2: Convert to fraction form
    887,868.05/1,225,377.86 = 500,762.97/x
  3. Step 3: Cross multiply
    887,868.05x = 1,225,377.86 × 500,762.97
  4. Step 4: Simplify right side
    887,868.05x = 613,623,854,042.03
  5. Step 5: Solve for x
    x = 613,623,854,042.03/887,868.05
  6. Step 6: Final answer
    x = 691,120.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.