Home / 457,024.30-684,899.83-378,013.46

Finding the Fourth Proportional to 457,024.30, 684,899.83 and 378,013.46

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Solution

The fourth proportional to 457,024.30, 684,899.83 and 378,013.46 is: 566,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,024.30 : 684,899.83 = 378,013.46 : x
  2. Step 2: Convert to fraction form
    457,024.30/684,899.83 = 378,013.46/x
  3. Step 3: Cross multiply
    457,024.30x = 684,899.83 × 378,013.46
  4. Step 4: Simplify right side
    457,024.30x = 258,901,352,402.85
  5. Step 5: Solve for x
    x = 258,901,352,402.85/457,024.30
  6. Step 6: Final answer
    x = 566,493.62

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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.