Home / 893,932.20-1,340,868.24-388,493.16

Finding the Fourth Proportional to 893,932.20, 1,340,868.24 and 388,493.16

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Solution

The fourth proportional to 893,932.20, 1,340,868.24 and 388,493.16 is: 582,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,932.20 : 1,340,868.24 = 388,493.16 : x
  2. Step 2: Convert to fraction form
    893,932.20/1,340,868.24 = 388,493.16/x
  3. Step 3: Cross multiply
    893,932.20x = 1,340,868.24 × 388,493.16
  4. Step 4: Simplify right side
    893,932.20x = 520,918,139,701.24
  5. Step 5: Solve for x
    x = 520,918,139,701.24/893,932.20
  6. Step 6: Final answer
    x = 582,726.68

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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.