Home / 406,736.46-561,329.91-225,505.23

Finding the Fourth Proportional to 406,736.46, 561,329.91 and 225,505.23

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Solution

The fourth proportional to 406,736.46, 561,329.91 and 225,505.23 is: 311,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,736.46 : 561,329.91 = 225,505.23 : x
  2. Step 2: Convert to fraction form
    406,736.46/561,329.91 = 225,505.23/x
  3. Step 3: Cross multiply
    406,736.46x = 561,329.91 × 225,505.23
  4. Step 4: Simplify right side
    406,736.46x = 126,582,830,460.43
  5. Step 5: Solve for x
    x = 126,582,830,460.43/406,736.46
  6. Step 6: Final answer
    x = 311,215.84

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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.