Home / 787,274.31-1,181,098.87-254,795.34

Finding the Fourth Proportional to 787,274.31, 1,181,098.87 and 254,795.34

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Solution

The fourth proportional to 787,274.31, 1,181,098.87 and 254,795.34 is: 382,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,274.31 : 1,181,098.87 = 254,795.34 : x
  2. Step 2: Convert to fraction form
    787,274.31/1,181,098.87 = 254,795.34/x
  3. Step 3: Cross multiply
    787,274.31x = 1,181,098.87 × 254,795.34
  4. Step 4: Simplify right side
    787,274.31x = 300,938,486,360.40
  5. Step 5: Solve for x
    x = 300,938,486,360.40/787,274.31
  6. Step 6: Final answer
    x = 382,253.66

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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.