Home / 479,240.04-661,346.07-261,452.21

Finding the Fourth Proportional to 479,240.04, 661,346.07 and 261,452.21

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Solution

The fourth proportional to 479,240.04, 661,346.07 and 261,452.21 is: 360,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,240.04 : 661,346.07 = 261,452.21 : x
  2. Step 2: Convert to fraction form
    479,240.04/661,346.07 = 261,452.21/x
  3. Step 3: Cross multiply
    479,240.04x = 661,346.07 × 261,452.21
  4. Step 4: Simplify right side
    479,240.04x = 172,910,387,289.14
  5. Step 5: Solve for x
    x = 172,910,387,289.14/479,240.04
  6. Step 6: Final answer
    x = 360,801.21

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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.