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Finding the Fourth Proportional to 576,127.61, 794,937.41 and 331,065.03

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Solution

The fourth proportional to 576,127.61, 794,937.41 and 331,065.03 is: 456,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,127.61 : 794,937.41 = 331,065.03 : x
  2. Step 2: Convert to fraction form
    576,127.61/794,937.41 = 331,065.03/x
  3. Step 3: Cross multiply
    576,127.61x = 794,937.41 × 331,065.03
  4. Step 4: Simplify right side
    576,127.61x = 263,175,975,834.45
  5. Step 5: Solve for x
    x = 263,175,975,834.45/576,127.61
  6. Step 6: Final answer
    x = 456,801.54

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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.