Home / 887,735.68-1,225,195.29-500,630.75

Finding the Fourth Proportional to 887,735.68, 1,225,195.29 and 500,630.75

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Solution

The fourth proportional to 887,735.68, 1,225,195.29 and 500,630.75 is: 690,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,735.68 : 1,225,195.29 = 500,630.75 : x
  2. Step 2: Convert to fraction form
    887,735.68/1,225,195.29 = 500,630.75/x
  3. Step 3: Cross multiply
    887,735.68x = 1,225,195.29 × 500,630.75
  4. Step 4: Simplify right side
    887,735.68x = 613,370,435,397.67
  5. Step 5: Solve for x
    x = 613,370,435,397.67/887,735.68
  6. Step 6: Final answer
    x = 690,938.14

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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.