Home / 986,194.31-1,479,375.61-346,442.13

Finding the Fourth Proportional to 986,194.31, 1,479,375.61 and 346,442.13

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Solution

The fourth proportional to 986,194.31, 1,479,375.61 and 346,442.13 is: 519,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,194.31 : 1,479,375.61 = 346,442.13 : x
  2. Step 2: Convert to fraction form
    986,194.31/1,479,375.61 = 346,442.13/x
  3. Step 3: Cross multiply
    986,194.31x = 1,479,375.61 × 346,442.13
  4. Step 4: Simplify right side
    986,194.31x = 512,518,036,532.34
  5. Step 5: Solve for x
    x = 512,518,036,532.34/986,194.31
  6. Step 6: Final answer
    x = 519,692.76

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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.