Home / 674,922.20-1,013,039.40-409,201.70

Finding the Fourth Proportional to 674,922.20, 1,013,039.40 and 409,201.70

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Solution

The fourth proportional to 674,922.20, 1,013,039.40 and 409,201.70 is: 614,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,922.20 : 1,013,039.40 = 409,201.70 : x
  2. Step 2: Convert to fraction form
    674,922.20/1,013,039.40 = 409,201.70/x
  3. Step 3: Cross multiply
    674,922.20x = 1,013,039.40 × 409,201.70
  4. Step 4: Simplify right side
    674,922.20x = 414,537,444,646.98
  5. Step 5: Solve for x
    x = 414,537,444,646.98/674,922.20
  6. Step 6: Final answer
    x = 614,200.34

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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.