Home / 986,626.10-1,479,772.23-276,490.70

Finding the Fourth Proportional to 986,626.10, 1,479,772.23 and 276,490.70

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Solution

The fourth proportional to 986,626.10, 1,479,772.23 and 276,490.70 is: 414,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,626.10 : 1,479,772.23 = 276,490.70 : x
  2. Step 2: Convert to fraction form
    986,626.10/1,479,772.23 = 276,490.70/x
  3. Step 3: Cross multiply
    986,626.10x = 1,479,772.23 × 276,490.70
  4. Step 4: Simplify right side
    986,626.10x = 409,143,259,713.26
  5. Step 5: Solve for x
    x = 409,143,259,713.26/986,626.10
  6. Step 6: Final answer
    x = 414,689.27

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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.