Home / 839,046.67-1,258,570.15-278,081.17

Finding the Fourth Proportional to 839,046.67, 1,258,570.15 and 278,081.17

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Solution

The fourth proportional to 839,046.67, 1,258,570.15 and 278,081.17 is: 417,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,046.67 : 1,258,570.15 = 278,081.17 : x
  2. Step 2: Convert to fraction form
    839,046.67/1,258,570.15 = 278,081.17/x
  3. Step 3: Cross multiply
    839,046.67x = 1,258,570.15 × 278,081.17
  4. Step 4: Simplify right side
    839,046.67x = 349,984,655,997.45
  5. Step 5: Solve for x
    x = 349,984,655,997.45/839,046.67
  6. Step 6: Final answer
    x = 417,121.80

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Similar ratio
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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.