Home / 986,626.60-1,479,772.98-276,491.20

Finding the Fourth Proportional to 986,626.60, 1,479,772.98 and 276,491.20

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Solution

The fourth proportional to 986,626.60, 1,479,772.98 and 276,491.20 is: 414,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,626.60 : 1,479,772.98 = 276,491.20 : x
  2. Step 2: Convert to fraction form
    986,626.60/1,479,772.98 = 276,491.20/x
  3. Step 3: Cross multiply
    986,626.60x = 1,479,772.98 × 276,491.20
  4. Step 4: Simplify right side
    986,626.60x = 409,144,206,967.78
  5. Step 5: Solve for x
    x = 409,144,206,967.78/986,626.60
  6. Step 6: Final answer
    x = 414,690.02

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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.