Home / 989,204.40-1,483,809.03-279,232.11

Finding the Fourth Proportional to 989,204.40, 1,483,809.03 and 279,232.11

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Solution

The fourth proportional to 989,204.40, 1,483,809.03 and 279,232.11 is: 418,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,204.40 : 1,483,809.03 = 279,232.11 : x
  2. Step 2: Convert to fraction form
    989,204.40/1,483,809.03 = 279,232.11/x
  3. Step 3: Cross multiply
    989,204.40x = 1,483,809.03 × 279,232.11
  4. Step 4: Simplify right side
    989,204.40x = 414,327,126,283.95
  5. Step 5: Solve for x
    x = 414,327,126,283.95/989,204.40
  6. Step 6: Final answer
    x = 418,848.85

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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.