Home / 578,083.20-867,513.60-262,377.60

Finding the Fourth Proportional to 578,083.20, 867,513.60 and 262,377.60

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Solution

The fourth proportional to 578,083.20, 867,513.60 and 262,377.60 is: 393,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,083.20 : 867,513.60 = 262,377.60 : x
  2. Step 2: Convert to fraction form
    578,083.20/867,513.60 = 262,377.60/x
  3. Step 3: Cross multiply
    578,083.20x = 867,513.60 × 262,377.60
  4. Step 4: Simplify right side
    578,083.20x = 227,616,136,335.36
  5. Step 5: Solve for x
    x = 227,616,136,335.36/578,083.20
  6. Step 6: Final answer
    x = 393,742.87

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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.