Home / 418,003.26-576,769.59-248,279.10

Finding the Fourth Proportional to 418,003.26, 576,769.59 and 248,279.10

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Solution

The fourth proportional to 418,003.26, 576,769.59 and 248,279.10 is: 342,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,003.26 : 576,769.59 = 248,279.10 : x
  2. Step 2: Convert to fraction form
    418,003.26/576,769.59 = 248,279.10/x
  3. Step 3: Cross multiply
    418,003.26x = 576,769.59 × 248,279.10
  4. Step 4: Simplify right side
    418,003.26x = 143,199,834,712.57
  5. Step 5: Solve for x
    x = 143,199,834,712.57/418,003.26
  6. Step 6: Final answer
    x = 342,580.66

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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.