Home / 497,509.06-746,380.23-198,007.78

Finding the Fourth Proportional to 497,509.06, 746,380.23 and 198,007.78

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Solution

The fourth proportional to 497,509.06, 746,380.23 and 198,007.78 is: 297,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,509.06 : 746,380.23 = 198,007.78 : x
  2. Step 2: Convert to fraction form
    497,509.06/746,380.23 = 198,007.78/x
  3. Step 3: Cross multiply
    497,509.06x = 746,380.23 × 198,007.78
  4. Step 4: Simplify right side
    497,509.06x = 147,789,092,378.19
  5. Step 5: Solve for x
    x = 147,789,092,378.19/497,509.06
  6. Step 6: Final answer
    x = 297,058.09

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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.