Home / 783,947.10-1,176,309.45-447,246.30

Finding the Fourth Proportional to 783,947.10, 1,176,309.45 and 447,246.30

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Solution

The fourth proportional to 783,947.10, 1,176,309.45 and 447,246.30 is: 671,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,947.10 : 1,176,309.45 = 447,246.30 : x
  2. Step 2: Convert to fraction form
    783,947.10/1,176,309.45 = 447,246.30/x
  3. Step 3: Cross multiply
    783,947.10x = 1,176,309.45 × 447,246.30
  4. Step 4: Simplify right side
    783,947.10x = 526,100,049,167.54
  5. Step 5: Solve for x
    x = 526,100,049,167.54/783,947.10
  6. Step 6: Final answer
    x = 671,091.26

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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.