Home / 663,101.67-992,669.97-406,125.10

Finding the Fourth Proportional to 663,101.67, 992,669.97 and 406,125.10

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Solution

The fourth proportional to 663,101.67, 992,669.97 and 406,125.10 is: 607,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,101.67 : 992,669.97 = 406,125.10 : x
  2. Step 2: Convert to fraction form
    663,101.67/992,669.97 = 406,125.10/x
  3. Step 3: Cross multiply
    663,101.67x = 992,669.97 × 406,125.10
  4. Step 4: Simplify right side
    663,101.67x = 403,148,189,874.54
  5. Step 5: Solve for x
    x = 403,148,189,874.54/663,101.67
  6. Step 6: Final answer
    x = 607,973.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.