Home / 986,102.37-1,479,375.23-312,223.95

Finding the Fourth Proportional to 986,102.37, 1,479,375.23 and 312,223.95

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Solution

The fourth proportional to 986,102.37, 1,479,375.23 and 312,223.95 is: 468,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,102.37 : 1,479,375.23 = 312,223.95 : x
  2. Step 2: Convert to fraction form
    986,102.37/1,479,375.23 = 312,223.95/x
  3. Step 3: Cross multiply
    986,102.37x = 1,479,375.23 × 312,223.95
  4. Step 4: Simplify right side
    986,102.37x = 461,896,376,281.64
  5. Step 5: Solve for x
    x = 461,896,376,281.64/986,102.37
  6. Step 6: Final answer
    x = 468,406.11

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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.