Home / 868,627.70-1,302,941.55-658,675.70

Finding the Fourth Proportional to 868,627.70, 1,302,941.55 and 658,675.70

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Solution

The fourth proportional to 868,627.70, 1,302,941.55 and 658,675.70 is: 988,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,627.70 : 1,302,941.55 = 658,675.70 : x
  2. Step 2: Convert to fraction form
    868,627.70/1,302,941.55 = 658,675.70/x
  3. Step 3: Cross multiply
    868,627.70x = 1,302,941.55 × 658,675.70
  4. Step 4: Simplify right side
    868,627.70x = 858,215,937,505.34
  5. Step 5: Solve for x
    x = 858,215,937,505.34/868,627.70
  6. Step 6: Final answer
    x = 988,013.55

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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.