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Finding the Fourth Proportional to 570,763.37, 787,651.49 and 329,044.79

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Solution

The fourth proportional to 570,763.37, 787,651.49 and 329,044.79 is: 454,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,763.37 : 787,651.49 = 329,044.79 : x
  2. Step 2: Convert to fraction form
    570,763.37/787,651.49 = 329,044.79/x
  3. Step 3: Cross multiply
    570,763.37x = 787,651.49 × 329,044.79
  4. Step 4: Simplify right side
    570,763.37x = 259,172,617,475.01
  5. Step 5: Solve for x
    x = 259,172,617,475.01/570,763.37
  6. Step 6: Final answer
    x = 454,080.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.