Home / 407,403.28-562,208.04-226,104.70

Finding the Fourth Proportional to 407,403.28, 562,208.04 and 226,104.70

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Solution

The fourth proportional to 407,403.28, 562,208.04 and 226,104.70 is: 312,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,403.28 : 562,208.04 = 226,104.70 : x
  2. Step 2: Convert to fraction form
    407,403.28/562,208.04 = 226,104.70/x
  3. Step 3: Cross multiply
    407,403.28x = 562,208.04 × 226,104.70
  4. Step 4: Simplify right side
    407,403.28x = 127,117,880,221.79
  5. Step 5: Solve for x
    x = 127,117,880,221.79/407,403.28
  6. Step 6: Final answer
    x = 312,019.78

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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.