Home / 674,727.03-1,011,590.57-408,424.55

Finding the Fourth Proportional to 674,727.03, 1,011,590.57 and 408,424.55

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Solution

The fourth proportional to 674,727.03, 1,011,590.57 and 408,424.55 is: 612,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,727.03 : 1,011,590.57 = 408,424.55 : x
  2. Step 2: Convert to fraction form
    674,727.03/1,011,590.57 = 408,424.55/x
  3. Step 3: Cross multiply
    674,727.03x = 1,011,590.57 × 408,424.55
  4. Step 4: Simplify right side
    674,727.03x = 413,158,419,299.60
  5. Step 5: Solve for x
    x = 413,158,419,299.60/674,727.03
  6. Step 6: Final answer
    x = 612,334.18

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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.