Home / 674,767.53-1,011,651.32-408,465.05

Finding the Fourth Proportional to 674,767.53, 1,011,651.32 and 408,465.05

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Solution

The fourth proportional to 674,767.53, 1,011,651.32 and 408,465.05 is: 612,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,767.53 : 1,011,651.32 = 408,465.05 : x
  2. Step 2: Convert to fraction form
    674,767.53/1,011,651.32 = 408,465.05/x
  3. Step 3: Cross multiply
    674,767.53x = 1,011,651.32 × 408,465.05
  4. Step 4: Simplify right side
    674,767.53x = 413,224,202,969.27
  5. Step 5: Solve for x
    x = 413,224,202,969.27/674,767.53
  6. Step 6: Final answer
    x = 612,394.91

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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.