Home / 457,233.30-684,865.80-378,501.30

Finding the Fourth Proportional to 457,233.30, 684,865.80 and 378,501.30

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Solution

The fourth proportional to 457,233.30, 684,865.80 and 378,501.30 is: 566,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,233.30 : 684,865.80 = 378,501.30 : x
  2. Step 2: Convert to fraction form
    457,233.30/684,865.80 = 378,501.30/x
  3. Step 3: Cross multiply
    457,233.30x = 684,865.80 × 378,501.30
  4. Step 4: Simplify right side
    457,233.30x = 259,222,595,625.54
  5. Step 5: Solve for x
    x = 259,222,595,625.54/457,233.30
  6. Step 6: Final answer
    x = 566,937.26

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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.