Home / 489,581.04-733,866.30-205,436.58

Finding the Fourth Proportional to 489,581.04, 733,866.30 and 205,436.58

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Solution

The fourth proportional to 489,581.04, 733,866.30 and 205,436.58 is: 307,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,581.04 : 733,866.30 = 205,436.58 : x
  2. Step 2: Convert to fraction form
    489,581.04/733,866.30 = 205,436.58/x
  3. Step 3: Cross multiply
    489,581.04x = 733,866.30 × 205,436.58
  4. Step 4: Simplify right side
    489,581.04x = 150,762,982,849.25
  5. Step 5: Solve for x
    x = 150,762,982,849.25/489,581.04
  6. Step 6: Final answer
    x = 307,942.85

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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.