Home / 691,661.57-1,037,583.09-270,882.77

Finding the Fourth Proportional to 691,661.57, 1,037,583.09 and 270,882.77

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Solution

The fourth proportional to 691,661.57, 1,037,583.09 and 270,882.77 is: 406,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,661.57 : 1,037,583.09 = 270,882.77 : x
  2. Step 2: Convert to fraction form
    691,661.57/1,037,583.09 = 270,882.77/x
  3. Step 3: Cross multiply
    691,661.57x = 1,037,583.09 × 270,882.77
  4. Step 4: Simplify right side
    691,661.57x = 281,063,381,524.36
  5. Step 5: Solve for x
    x = 281,063,381,524.36/691,661.57
  6. Step 6: Final answer
    x = 406,359.69

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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.