Home / 880,866.30-1,321,299.45-731,405.10

Finding the Fourth Proportional to 880,866.30, 1,321,299.45 and 731,405.10

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Solution

The fourth proportional to 880,866.30, 1,321,299.45 and 731,405.10 is: 1,097,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,866.30 : 1,321,299.45 = 731,405.10 : x
  2. Step 2: Convert to fraction form
    880,866.30/1,321,299.45 = 731,405.10/x
  3. Step 3: Cross multiply
    880,866.30x = 1,321,299.45 × 731,405.10
  4. Step 4: Simplify right side
    880,866.30x = 966,405,156,357.20
  5. Step 5: Solve for x
    x = 966,405,156,357.20/880,866.30
  6. Step 6: Final answer
    x = 1,097,107.65

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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.