Home / 786,043.04-1,179,313.78-280,593.17

Finding the Fourth Proportional to 786,043.04, 1,179,313.78 and 280,593.17

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Solution

The fourth proportional to 786,043.04, 1,179,313.78 and 280,593.17 is: 420,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,043.04 : 1,179,313.78 = 280,593.17 : x
  2. Step 2: Convert to fraction form
    786,043.04/1,179,313.78 = 280,593.17/x
  3. Step 3: Cross multiply
    786,043.04x = 1,179,313.78 × 280,593.17
  4. Step 4: Simplify right side
    786,043.04x = 330,907,385,356.83
  5. Step 5: Solve for x
    x = 330,907,385,356.83/786,043.04
  6. Step 6: Final answer
    x = 420,978.71

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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.