Home / 791,260.52-1,187,036.58-258,809.88

Finding the Fourth Proportional to 791,260.52, 1,187,036.58 and 258,809.88

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Solution

The fourth proportional to 791,260.52, 1,187,036.58 and 258,809.88 is: 388,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,260.52 : 1,187,036.58 = 258,809.88 : x
  2. Step 2: Convert to fraction form
    791,260.52/1,187,036.58 = 258,809.88/x
  3. Step 3: Cross multiply
    791,260.52x = 1,187,036.58 × 258,809.88
  4. Step 4: Simplify right side
    791,260.52x = 307,216,794,825.41
  5. Step 5: Solve for x
    x = 307,216,794,825.41/791,260.52
  6. Step 6: Final answer
    x = 388,262.51

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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.