Home / 765,046.52-1,147,570.54-285,267

Finding the Fourth Proportional to 765,046.52, 1,147,570.54 and 285,267

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Solution

The fourth proportional to 765,046.52, 1,147,570.54 and 285,267 is: 427,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,046.52 : 1,147,570.54 = 285,267 : x
  2. Step 2: Convert to fraction form
    765,046.52/1,147,570.54 = 285,267/x
  3. Step 3: Cross multiply
    765,046.52x = 1,147,570.54 × 285,267
  4. Step 4: Simplify right side
    765,046.52x = 327,364,004,521.01
  5. Step 5: Solve for x
    x = 327,364,004,521.01/765,046.52
  6. Step 6: Final answer
    x = 427,900.79

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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.