Home / 578,078.20-867,506.10-262,372.60

Finding the Fourth Proportional to 578,078.20, 867,506.10 and 262,372.60

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Solution

The fourth proportional to 578,078.20, 867,506.10 and 262,372.60 is: 393,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,078.20 : 867,506.10 = 262,372.60 : x
  2. Step 2: Convert to fraction form
    578,078.20/867,506.10 = 262,372.60/x
  3. Step 3: Cross multiply
    578,078.20x = 867,506.10 × 262,372.60
  4. Step 4: Simplify right side
    578,078.20x = 227,609,830,972.86
  5. Step 5: Solve for x
    x = 227,609,830,972.86/578,078.20
  6. Step 6: Final answer
    x = 393,735.36

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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.