Home / 767,279.12-1,151,314.20-341,108.96

Finding the Fourth Proportional to 767,279.12, 1,151,314.20 and 341,108.96

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Solution

The fourth proportional to 767,279.12, 1,151,314.20 and 341,108.96 is: 511,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,279.12 : 1,151,314.20 = 341,108.96 : x
  2. Step 2: Convert to fraction form
    767,279.12/1,151,314.20 = 341,108.96/x
  3. Step 3: Cross multiply
    767,279.12x = 1,151,314.20 × 341,108.96
  4. Step 4: Simplify right side
    767,279.12x = 392,723,589,395.23
  5. Step 5: Solve for x
    x = 392,723,589,395.23/767,279.12
  6. Step 6: Final answer
    x = 511,839.28

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1.5x scale

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.