Home / 800,797.31-1,105,025.05-542,148.11

Finding the Fourth Proportional to 800,797.31, 1,105,025.05 and 542,148.11

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Solution

The fourth proportional to 800,797.31, 1,105,025.05 and 542,148.11 is: 748,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,797.31 : 1,105,025.05 = 542,148.11 : x
  2. Step 2: Convert to fraction form
    800,797.31/1,105,025.05 = 542,148.11/x
  3. Step 3: Cross multiply
    800,797.31x = 1,105,025.05 × 542,148.11
  4. Step 4: Simplify right side
    800,797.31x = 599,087,242,360.16
  5. Step 5: Solve for x
    x = 599,087,242,360.16/800,797.31
  6. Step 6: Final answer
    x = 748,113.46

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Why These Related Problems?

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