Home / 838,279.10-1,256,713.34-364,607.71

Finding the Fourth Proportional to 838,279.10, 1,256,713.34 and 364,607.71

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Solution

The fourth proportional to 838,279.10, 1,256,713.34 and 364,607.71 is: 546,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,279.10 : 1,256,713.34 = 364,607.71 : x
  2. Step 2: Convert to fraction form
    838,279.10/1,256,713.34 = 364,607.71/x
  3. Step 3: Cross multiply
    838,279.10x = 1,256,713.34 × 364,607.71
  4. Step 4: Simplify right side
    838,279.10x = 458,207,373,023.85
  5. Step 5: Solve for x
    x = 458,207,373,023.85/838,279.10
  6. Step 6: Final answer
    x = 546,604.79

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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.