Home / 674,790.03-1,011,685.05-408,487.59

Finding the Fourth Proportional to 674,790.03, 1,011,685.05 and 408,487.59

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Solution

The fourth proportional to 674,790.03, 1,011,685.05 and 408,487.59 is: 612,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,790.03 : 1,011,685.05 = 408,487.59 : x
  2. Step 2: Convert to fraction form
    674,790.03/1,011,685.05 = 408,487.59/x
  3. Step 3: Cross multiply
    674,790.03x = 1,011,685.05 × 408,487.59
  4. Step 4: Simplify right side
    674,790.03x = 413,260,787,913.53
  5. Step 5: Solve for x
    x = 413,260,787,913.53/674,790.03
  6. Step 6: Final answer
    x = 612,428.71

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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.