Home / 674,501.37-1,011,251.67-408,198.68

Finding the Fourth Proportional to 674,501.37, 1,011,251.67 and 408,198.68

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Solution

The fourth proportional to 674,501.37, 1,011,251.67 and 408,198.68 is: 611,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,501.37 : 1,011,251.67 = 408,198.68 : x
  2. Step 2: Convert to fraction form
    674,501.37/1,011,251.67 = 408,198.68/x
  3. Step 3: Cross multiply
    674,501.37x = 1,011,251.67 × 408,198.68
  4. Step 4: Simplify right side
    674,501.37x = 412,791,596,841.80
  5. Step 5: Solve for x
    x = 412,791,596,841.80/674,501.37
  6. Step 6: Final answer
    x = 611,995.19

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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.