Home / 406,268.27-609,174.48-278,329.08

Finding the Fourth Proportional to 406,268.27, 609,174.48 and 278,329.08

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Solution

The fourth proportional to 406,268.27, 609,174.48 and 278,329.08 is: 417,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,268.27 : 609,174.48 = 278,329.08 : x
  2. Step 2: Convert to fraction form
    406,268.27/609,174.48 = 278,329.08/x
  3. Step 3: Cross multiply
    406,268.27x = 609,174.48 × 278,329.08
  4. Step 4: Simplify right side
    406,268.27x = 169,550,972,577.88
  5. Step 5: Solve for x
    x = 169,550,972,577.88/406,268.27
  6. Step 6: Final answer
    x = 417,337.47

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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.