Home / 547,926.88-822,056.39-388,311.42

Finding the Fourth Proportional to 547,926.88, 822,056.39 and 388,311.42

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Solution

The fourth proportional to 547,926.88, 822,056.39 and 388,311.42 is: 582,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,926.88 : 822,056.39 = 388,311.42 : x
  2. Step 2: Convert to fraction form
    547,926.88/822,056.39 = 388,311.42/x
  3. Step 3: Cross multiply
    547,926.88x = 822,056.39 × 388,311.42
  4. Step 4: Simplify right side
    547,926.88x = 319,213,884,278.48
  5. Step 5: Solve for x
    x = 319,213,884,278.48/547,926.88
  6. Step 6: Final answer
    x = 582,584.82

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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.