Home / 887,839.89-1,225,339.04-500,734.81

Finding the Fourth Proportional to 887,839.89, 1,225,339.04 and 500,734.81

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Solution

The fourth proportional to 887,839.89, 1,225,339.04 and 500,734.81 is: 691,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,839.89 : 1,225,339.04 = 500,734.81 : x
  2. Step 2: Convert to fraction form
    887,839.89/1,225,339.04 = 500,734.81/x
  3. Step 3: Cross multiply
    887,839.89x = 1,225,339.04 × 500,734.81
  4. Step 4: Simplify right side
    887,839.89x = 613,569,914,163.49
  5. Step 5: Solve for x
    x = 613,569,914,163.49/887,839.89
  6. Step 6: Final answer
    x = 691,081.72

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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.