Home / 674,729.03-1,011,593.57-408,426.55

Finding the Fourth Proportional to 674,729.03, 1,011,593.57 and 408,426.55

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Solution

The fourth proportional to 674,729.03, 1,011,593.57 and 408,426.55 is: 612,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,729.03 : 1,011,593.57 = 408,426.55 : x
  2. Step 2: Convert to fraction form
    674,729.03/1,011,593.57 = 408,426.55/x
  3. Step 3: Cross multiply
    674,729.03x = 1,011,593.57 × 408,426.55
  4. Step 4: Simplify right side
    674,729.03x = 413,161,671,797.28
  5. Step 5: Solve for x
    x = 413,161,671,797.28/674,729.03
  6. Step 6: Final answer
    x = 612,337.18

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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.