Home / 674,933.20-1,013,055.90-409,212.70

Finding the Fourth Proportional to 674,933.20, 1,013,055.90 and 409,212.70

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Solution

The fourth proportional to 674,933.20, 1,013,055.90 and 409,212.70 is: 614,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,933.20 : 1,013,055.90 = 409,212.70 : x
  2. Step 2: Convert to fraction form
    674,933.20/1,013,055.90 = 409,212.70/x
  3. Step 3: Cross multiply
    674,933.20x = 1,013,055.90 × 409,212.70
  4. Step 4: Simplify right side
    674,933.20x = 414,555,340,089.93
  5. Step 5: Solve for x
    x = 414,555,340,089.93/674,933.20
  6. Step 6: Final answer
    x = 614,216.84

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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.