Home / 727,919.10-1,091,838.92-222,479.91

Finding the Fourth Proportional to 727,919.10, 1,091,838.92 and 222,479.91

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Solution

The fourth proportional to 727,919.10, 1,091,838.92 and 222,479.91 is: 333,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,919.10 : 1,091,838.92 = 222,479.91 : x
  2. Step 2: Convert to fraction form
    727,919.10/1,091,838.92 = 222,479.91/x
  3. Step 3: Cross multiply
    727,919.10x = 1,091,838.92 × 222,479.91
  4. Step 4: Simplify right side
    727,919.10x = 242,912,223,543.70
  5. Step 5: Solve for x
    x = 242,912,223,543.70/727,919.10
  6. Step 6: Final answer
    x = 333,707.72

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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.