Home / 407,715.97-562,632.61-226,439.57

Finding the Fourth Proportional to 407,715.97, 562,632.61 and 226,439.57

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Solution

The fourth proportional to 407,715.97, 562,632.61 and 226,439.57 is: 312,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,715.97 : 562,632.61 = 226,439.57 : x
  2. Step 2: Convert to fraction form
    407,715.97/562,632.61 = 226,439.57/x
  3. Step 3: Cross multiply
    407,715.97x = 562,632.61 × 226,439.57
  4. Step 4: Simplify right side
    407,715.97x = 127,402,287,116.86
  5. Step 5: Solve for x
    x = 127,402,287,116.86/407,715.97
  6. Step 6: Final answer
    x = 312,478.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.