Home / 492,380.24-738,799.95-192,783.02

Finding the Fourth Proportional to 492,380.24, 738,799.95 and 192,783.02

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Solution

The fourth proportional to 492,380.24, 738,799.95 and 192,783.02 is: 289,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,380.24 : 738,799.95 = 192,783.02 : x
  2. Step 2: Convert to fraction form
    492,380.24/738,799.95 = 192,783.02/x
  3. Step 3: Cross multiply
    492,380.24x = 738,799.95 × 192,783.02
  4. Step 4: Simplify right side
    492,380.24x = 142,428,085,536.85
  5. Step 5: Solve for x
    x = 142,428,085,536.85/492,380.24
  6. Step 6: Final answer
    x = 289,264.42

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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.