Home / 783,947.20-1,175,920.80-222,908.80

Finding the Fourth Proportional to 783,947.20, 1,175,920.80 and 222,908.80

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Solution

The fourth proportional to 783,947.20, 1,175,920.80 and 222,908.80 is: 334,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,947.20 : 1,175,920.80 = 222,908.80 : x
  2. Step 2: Convert to fraction form
    783,947.20/1,175,920.80 = 222,908.80/x
  3. Step 3: Cross multiply
    783,947.20x = 1,175,920.80 × 222,908.80
  4. Step 4: Simplify right side
    783,947.20x = 262,123,094,423.04
  5. Step 5: Solve for x
    x = 262,123,094,423.04/783,947.20
  6. Step 6: Final answer
    x = 334,363.20

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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.