Home / 831,104-1,246,863.36-240,128

Finding the Fourth Proportional to 831,104, 1,246,863.36 and 240,128

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Solution

The fourth proportional to 831,104, 1,246,863.36 and 240,128 is: 360,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,104 : 1,246,863.36 = 240,128 : x
  2. Step 2: Convert to fraction form
    831,104/1,246,863.36 = 240,128/x
  3. Step 3: Cross multiply
    831,104x = 1,246,863.36 × 240,128
  4. Step 4: Simplify right side
    831,104x = 299,406,804,910.08
  5. Step 5: Solve for x
    x = 299,406,804,910.08/831,104
  6. Step 6: Final answer
    x = 360,251.91

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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.