Home / 406,347.92-561,137.07-304,196.04

Finding the Fourth Proportional to 406,347.92, 561,137.07 and 304,196.04

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Solution

The fourth proportional to 406,347.92, 561,137.07 and 304,196.04 is: 420,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,347.92 : 561,137.07 = 304,196.04 : x
  2. Step 2: Convert to fraction form
    406,347.92/561,137.07 = 304,196.04/x
  3. Step 3: Cross multiply
    406,347.92x = 561,137.07 × 304,196.04
  4. Step 4: Simplify right side
    406,347.92x = 170,695,673,799.68
  5. Step 5: Solve for x
    x = 170,695,673,799.68/406,347.92
  6. Step 6: Final answer
    x = 420,072.71

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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.