Home / 499,188.84-748,922.78-288,441.96

Finding the Fourth Proportional to 499,188.84, 748,922.78 and 288,441.96

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Solution

The fourth proportional to 499,188.84, 748,922.78 and 288,441.96 is: 432,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,188.84 : 748,922.78 = 288,441.96 : x
  2. Step 2: Convert to fraction form
    499,188.84/748,922.78 = 288,441.96/x
  3. Step 3: Cross multiply
    499,188.84x = 748,922.78 × 288,441.96
  4. Step 4: Simplify right side
    499,188.84x = 216,020,754,551.85
  5. Step 5: Solve for x
    x = 216,020,754,551.85/499,188.84
  6. Step 6: Final answer
    x = 432,743.56

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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.