Home / 789,635.12-1,088,707.82-659,000.13

Finding the Fourth Proportional to 789,635.12, 1,088,707.82 and 659,000.13

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Solution

The fourth proportional to 789,635.12, 1,088,707.82 and 659,000.13 is: 908,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,635.12 : 1,088,707.82 = 659,000.13 : x
  2. Step 2: Convert to fraction form
    789,635.12/1,088,707.82 = 659,000.13/x
  3. Step 3: Cross multiply
    789,635.12x = 1,088,707.82 × 659,000.13
  4. Step 4: Simplify right side
    789,635.12x = 717,458,591,617.02
  5. Step 5: Solve for x
    x = 717,458,591,617.02/789,635.12
  6. Step 6: Final answer
    x = 908,595.09

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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.