Home / 577,975.13-867,091.87-278,707.42

Finding the Fourth Proportional to 577,975.13, 867,091.87 and 278,707.42

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Solution

The fourth proportional to 577,975.13, 867,091.87 and 278,707.42 is: 418,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,975.13 : 867,091.87 = 278,707.42 : x
  2. Step 2: Convert to fraction form
    577,975.13/867,091.87 = 278,707.42/x
  3. Step 3: Cross multiply
    577,975.13x = 867,091.87 × 278,707.42
  4. Step 4: Simplify right side
    577,975.13x = 241,664,937,990.68
  5. Step 5: Solve for x
    x = 241,664,937,990.68/577,975.13
  6. Step 6: Final answer
    x = 418,123.42

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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.