Home / 674,207.20-1,011,310.80-359,279.20

Finding the Fourth Proportional to 674,207.20, 1,011,310.80 and 359,279.20

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Solution

The fourth proportional to 674,207.20, 1,011,310.80 and 359,279.20 is: 538,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,207.20 : 1,011,310.80 = 359,279.20 : x
  2. Step 2: Convert to fraction form
    674,207.20/1,011,310.80 = 359,279.20/x
  3. Step 3: Cross multiply
    674,207.20x = 1,011,310.80 × 359,279.20
  4. Step 4: Simplify right side
    674,207.20x = 363,342,935,175.36
  5. Step 5: Solve for x
    x = 363,342,935,175.36/674,207.20
  6. Step 6: Final answer
    x = 538,918.80

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1.5x scale

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.