Home / 678,606.48-1,017,963.12-179,970.48

Finding the Fourth Proportional to 678,606.48, 1,017,963.12 and 179,970.48

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Solution

The fourth proportional to 678,606.48, 1,017,963.12 and 179,970.48 is: 269,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,606.48 : 1,017,963.12 = 179,970.48 : x
  2. Step 2: Convert to fraction form
    678,606.48/1,017,963.12 = 179,970.48/x
  3. Step 3: Cross multiply
    678,606.48x = 1,017,963.12 × 179,970.48
  4. Step 4: Simplify right side
    678,606.48x = 183,203,311,328.70
  5. Step 5: Solve for x
    x = 183,203,311,328.70/678,606.48
  6. Step 6: Final answer
    x = 269,969.88

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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.