Home / 776,476.86-1,164,995.52-271,112.28

Finding the Fourth Proportional to 776,476.86, 1,164,995.52 and 271,112.28

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Solution

The fourth proportional to 776,476.86, 1,164,995.52 and 271,112.28 is: 406,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,476.86 : 1,164,995.52 = 271,112.28 : x
  2. Step 2: Convert to fraction form
    776,476.86/1,164,995.52 = 271,112.28/x
  3. Step 3: Cross multiply
    776,476.86x = 1,164,995.52 × 271,112.28
  4. Step 4: Simplify right side
    776,476.86x = 315,844,591,616.99
  5. Step 5: Solve for x
    x = 315,844,591,616.99/776,476.86
  6. Step 6: Final answer
    x = 406,766.26

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1.5x scale

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.