Home / 776,141.82-1,164,213.05-349,179.03

Finding the Fourth Proportional to 776,141.82, 1,164,213.05 and 349,179.03

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Solution

The fourth proportional to 776,141.82, 1,164,213.05 and 349,179.03 is: 523,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,141.82 : 1,164,213.05 = 349,179.03 : x
  2. Step 2: Convert to fraction form
    776,141.82/1,164,213.05 = 349,179.03/x
  3. Step 3: Cross multiply
    776,141.82x = 1,164,213.05 × 349,179.03
  4. Step 4: Simplify right side
    776,141.82x = 406,518,781,766.45
  5. Step 5: Solve for x
    x = 406,518,781,766.45/776,141.82
  6. Step 6: Final answer
    x = 523,768.69

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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.