Home / 969,319.20-1,454,209.20-408,064.80

Finding the Fourth Proportional to 969,319.20, 1,454,209.20 and 408,064.80

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Solution

The fourth proportional to 969,319.20, 1,454,209.20 and 408,064.80 is: 612,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,319.20 : 1,454,209.20 = 408,064.80 : x
  2. Step 2: Convert to fraction form
    969,319.20/1,454,209.20 = 408,064.80/x
  3. Step 3: Cross multiply
    969,319.20x = 1,454,209.20 × 408,064.80
  4. Step 4: Simplify right side
    969,319.20x = 593,411,586,356.16
  5. Step 5: Solve for x
    x = 593,411,586,356.16/969,319.20
  6. Step 6: Final answer
    x = 612,194.19

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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.