Home / 847,013.88-1,270,251.06-278,262.96

Finding the Fourth Proportional to 847,013.88, 1,270,251.06 and 278,262.96

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Solution

The fourth proportional to 847,013.88, 1,270,251.06 and 278,262.96 is: 417,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,013.88 : 1,270,251.06 = 278,262.96 : x
  2. Step 2: Convert to fraction form
    847,013.88/1,270,251.06 = 278,262.96/x
  3. Step 3: Cross multiply
    847,013.88x = 1,270,251.06 × 278,262.96
  4. Step 4: Simplify right side
    847,013.88x = 353,463,819,898.74
  5. Step 5: Solve for x
    x = 353,463,819,898.74/847,013.88
  6. Step 6: Final answer
    x = 417,305.82

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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.