Home / 1,043.16-1,439.56-577.41

Finding the Fourth Proportional to 1,043.16, 1,439.56 and 577.41

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Solution

The fourth proportional to 1,043.16, 1,439.56 and 577.41 is: 796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.16 : 1,439.56 = 577.41 : x
  2. Step 2: Convert to fraction form
    1,043.16/1,439.56 = 577.41/x
  3. Step 3: Cross multiply
    1,043.16x = 1,439.56 × 577.41
  4. Step 4: Simplify right side
    1,043.16x = 831,214.90
  5. Step 5: Solve for x
    x = 831,214.90/1,043.16
  6. Step 6: Final answer
    x = 796.82

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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.