Home / 880,470.02-1,321,296.88-311,849.11

Finding the Fourth Proportional to 880,470.02, 1,321,296.88 and 311,849.11

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Solution

The fourth proportional to 880,470.02, 1,321,296.88 and 311,849.11 is: 467,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,470.02 : 1,321,296.88 = 311,849.11 : x
  2. Step 2: Convert to fraction form
    880,470.02/1,321,296.88 = 311,849.11/x
  3. Step 3: Cross multiply
    880,470.02x = 1,321,296.88 × 311,849.11
  4. Step 4: Simplify right side
    880,470.02x = 412,045,249,467.29
  5. Step 5: Solve for x
    x = 412,045,249,467.29/880,470.02
  6. Step 6: Final answer
    x = 467,983.28

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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.