Home / 979,078.84-1,468,350.78-268,937.80

Finding the Fourth Proportional to 979,078.84, 1,468,350.78 and 268,937.80

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Solution

The fourth proportional to 979,078.84, 1,468,350.78 and 268,937.80 is: 403,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,078.84 : 1,468,350.78 = 268,937.80 : x
  2. Step 2: Convert to fraction form
    979,078.84/1,468,350.78 = 268,937.80/x
  3. Step 3: Cross multiply
    979,078.84x = 1,468,350.78 × 268,937.80
  4. Step 4: Simplify right side
    979,078.84x = 394,895,028,401.48
  5. Step 5: Solve for x
    x = 394,895,028,401.48/979,078.84
  6. Step 6: Final answer
    x = 403,333.23

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1.5x scale

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.