Home / 772,624.80-1,158,937.20-729,079.20

Finding the Fourth Proportional to 772,624.80, 1,158,937.20 and 729,079.20

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Solution

The fourth proportional to 772,624.80, 1,158,937.20 and 729,079.20 is: 1,093,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,624.80 : 1,158,937.20 = 729,079.20 : x
  2. Step 2: Convert to fraction form
    772,624.80/1,158,937.20 = 729,079.20/x
  3. Step 3: Cross multiply
    772,624.80x = 1,158,937.20 × 729,079.20
  4. Step 4: Simplify right side
    772,624.80x = 844,957,006,626.24
  5. Step 5: Solve for x
    x = 844,957,006,626.24/772,624.80
  6. Step 6: Final answer
    x = 1,093,618.80

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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.