Home / 862,768.12-1,294,155.36-263,726.95

Finding the Fourth Proportional to 862,768.12, 1,294,155.36 and 263,726.95

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Solution

The fourth proportional to 862,768.12, 1,294,155.36 and 263,726.95 is: 395,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,768.12 : 1,294,155.36 = 263,726.95 : x
  2. Step 2: Convert to fraction form
    862,768.12/1,294,155.36 = 263,726.95/x
  3. Step 3: Cross multiply
    862,768.12x = 1,294,155.36 × 263,726.95
  4. Step 4: Simplify right side
    862,768.12x = 341,303,645,918.95
  5. Step 5: Solve for x
    x = 341,303,645,918.95/862,768.12
  6. Step 6: Final answer
    x = 395,591.40

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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.