Home / 406,277.20-560,078.22-285,042.88

Finding the Fourth Proportional to 406,277.20, 560,078.22 and 285,042.88

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Solution

The fourth proportional to 406,277.20, 560,078.22 and 285,042.88 is: 392,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,277.20 : 560,078.22 = 285,042.88 : x
  2. Step 2: Convert to fraction form
    406,277.20/560,078.22 = 285,042.88/x
  3. Step 3: Cross multiply
    406,277.20x = 560,078.22 × 285,042.88
  4. Step 4: Simplify right side
    406,277.20x = 159,646,308,854.07
  5. Step 5: Solve for x
    x = 159,646,308,854.07/406,277.20
  6. Step 6: Final answer
    x = 392,949.22

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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.