Home / 745,340.22-1,118,028.60-272,025.45

Finding the Fourth Proportional to 745,340.22, 1,118,028.60 and 272,025.45

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Solution

The fourth proportional to 745,340.22, 1,118,028.60 and 272,025.45 is: 408,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,340.22 : 1,118,028.60 = 272,025.45 : x
  2. Step 2: Convert to fraction form
    745,340.22/1,118,028.60 = 272,025.45/x
  3. Step 3: Cross multiply
    745,340.22x = 1,118,028.60 × 272,025.45
  4. Step 4: Simplify right side
    745,340.22x = 304,132,233,027.87
  5. Step 5: Solve for x
    x = 304,132,233,027.87/745,340.22
  6. Step 6: Final answer
    x = 408,044.84

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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.