Home / 847,068.64-1,270,758.80-278,481.76

Finding the Fourth Proportional to 847,068.64, 1,270,758.80 and 278,481.76

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Solution

The fourth proportional to 847,068.64, 1,270,758.80 and 278,481.76 is: 417,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,068.64 : 1,270,758.80 = 278,481.76 : x
  2. Step 2: Convert to fraction form
    847,068.64/1,270,758.80 = 278,481.76/x
  3. Step 3: Cross multiply
    847,068.64x = 1,270,758.80 × 278,481.76
  4. Step 4: Simplify right side
    847,068.64x = 353,883,147,159.49
  5. Step 5: Solve for x
    x = 353,883,147,159.49/847,068.64
  6. Step 6: Final answer
    x = 417,773.87

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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.