Home / 805,867.79-1,208,541.06-266,002.79

Finding the Fourth Proportional to 805,867.79, 1,208,541.06 and 266,002.79

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Solution

The fourth proportional to 805,867.79, 1,208,541.06 and 266,002.79 is: 398,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,867.79 : 1,208,541.06 = 266,002.79 : x
  2. Step 2: Convert to fraction form
    805,867.79/1,208,541.06 = 266,002.79/x
  3. Step 3: Cross multiply
    805,867.79x = 1,208,541.06 × 266,002.79
  4. Step 4: Simplify right side
    805,867.79x = 321,475,293,789.56
  5. Step 5: Solve for x
    x = 321,475,293,789.56/805,867.79
  6. Step 6: Final answer
    x = 398,918.16

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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.