Home / 785,114.90-1,177,672.35-659,143.70

Finding the Fourth Proportional to 785,114.90, 1,177,672.35 and 659,143.70

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Solution

The fourth proportional to 785,114.90, 1,177,672.35 and 659,143.70 is: 988,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,114.90 : 1,177,672.35 = 659,143.70 : x
  2. Step 2: Convert to fraction form
    785,114.90/1,177,672.35 = 659,143.70/x
  3. Step 3: Cross multiply
    785,114.90x = 1,177,672.35 × 659,143.70
  4. Step 4: Simplify right side
    785,114.90x = 776,255,310,166.70
  5. Step 5: Solve for x
    x = 776,255,310,166.70/785,114.90
  6. Step 6: Final answer
    x = 988,715.55

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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.