Home / 456,292.66-684,089.06-278,883.22

Finding the Fourth Proportional to 456,292.66, 684,089.06 and 278,883.22

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Solution

The fourth proportional to 456,292.66, 684,089.06 and 278,883.22 is: 418,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,292.66 : 684,089.06 = 278,883.22 : x
  2. Step 2: Convert to fraction form
    456,292.66/684,089.06 = 278,883.22/x
  3. Step 3: Cross multiply
    456,292.66x = 684,089.06 × 278,883.22
  4. Step 4: Simplify right side
    456,292.66x = 190,780,959,819.57
  5. Step 5: Solve for x
    x = 190,780,959,819.57/456,292.66
  6. Step 6: Final answer
    x = 418,110.95

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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.