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Finding the Fourth Proportional to 406,560.79, 561,007.38 and 225,227.44

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Solution

The fourth proportional to 406,560.79, 561,007.38 and 225,227.44 is: 310,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,560.79 : 561,007.38 = 225,227.44 : x
  2. Step 2: Convert to fraction form
    406,560.79/561,007.38 = 225,227.44/x
  3. Step 3: Cross multiply
    406,560.79x = 561,007.38 × 225,227.44
  4. Step 4: Simplify right side
    406,560.79x = 126,354,256,018.51
  5. Step 5: Solve for x
    x = 126,354,256,018.51/406,560.79
  6. Step 6: Final answer
    x = 310,788.10

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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.