Home / 986,015.24-1,479,244.40-312,136.95

Finding the Fourth Proportional to 986,015.24, 1,479,244.40 and 312,136.95

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Solution

The fourth proportional to 986,015.24, 1,479,244.40 and 312,136.95 is: 468,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,015.24 : 1,479,244.40 = 312,136.95 : x
  2. Step 2: Convert to fraction form
    986,015.24/1,479,244.40 = 312,136.95/x
  3. Step 3: Cross multiply
    986,015.24x = 1,479,244.40 × 312,136.95
  4. Step 4: Simplify right side
    986,015.24x = 461,726,833,759.90
  5. Step 5: Solve for x
    x = 461,726,833,759.90/986,015.24
  6. Step 6: Final answer
    x = 468,275.56

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Double scale
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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.