Home / 489,583.04-733,869.30-205,438.58

Finding the Fourth Proportional to 489,583.04, 733,869.30 and 205,438.58

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Solution

The fourth proportional to 489,583.04, 733,869.30 and 205,438.58 is: 307,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,583.04 : 733,869.30 = 205,438.58 : x
  2. Step 2: Convert to fraction form
    489,583.04/733,869.30 = 205,438.58/x
  3. Step 3: Cross multiply
    489,583.04x = 733,869.30 × 205,438.58
  4. Step 4: Simplify right side
    489,583.04x = 150,765,066,897.59
  5. Step 5: Solve for x
    x = 150,765,066,897.59/489,583.04
  6. Step 6: Final answer
    x = 307,945.85

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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.