Home / 406,855.35-561,493.65-225,624.13

Finding the Fourth Proportional to 406,855.35, 561,493.65 and 225,624.13

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Solution

The fourth proportional to 406,855.35, 561,493.65 and 225,624.13 is: 311,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,855.35 : 561,493.65 = 225,624.13 : x
  2. Step 2: Convert to fraction form
    406,855.35/561,493.65 = 225,624.13/x
  3. Step 3: Cross multiply
    406,855.35x = 561,493.65 × 225,624.13
  4. Step 4: Simplify right side
    406,855.35x = 126,686,515,724.13
  5. Step 5: Solve for x
    x = 126,686,515,724.13/406,855.35
  6. Step 6: Final answer
    x = 311,379.75

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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.