Home / 794,436.12-1,191,279.69-288,640.53

Finding the Fourth Proportional to 794,436.12, 1,191,279.69 and 288,640.53

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Solution

The fourth proportional to 794,436.12, 1,191,279.69 and 288,640.53 is: 432,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,436.12 : 1,191,279.69 = 288,640.53 : x
  2. Step 2: Convert to fraction form
    794,436.12/1,191,279.69 = 288,640.53/x
  3. Step 3: Cross multiply
    794,436.12x = 1,191,279.69 × 288,640.53
  4. Step 4: Simplify right side
    794,436.12x = 343,851,601,099.84
  5. Step 5: Solve for x
    x = 343,851,601,099.84/794,436.12
  6. Step 6: Final answer
    x = 432,824.73

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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.