Home / 743,080.72-1,025,458.92-403,555.60

Finding the Fourth Proportional to 743,080.72, 1,025,458.92 and 403,555.60

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Solution

The fourth proportional to 743,080.72, 1,025,458.92 and 403,555.60 is: 556,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,080.72 : 1,025,458.92 = 403,555.60 : x
  2. Step 2: Convert to fraction form
    743,080.72/1,025,458.92 = 403,555.60/x
  3. Step 3: Cross multiply
    743,080.72x = 1,025,458.92 × 403,555.60
  4. Step 4: Simplify right side
    743,080.72x = 413,829,689,735.95
  5. Step 5: Solve for x
    x = 413,829,689,735.95/743,080.72
  6. Step 6: Final answer
    x = 556,910.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.