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Finding the Fourth Proportional to 554,015.82, 764,541.80 and 299,367

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Solution

The fourth proportional to 554,015.82, 764,541.80 and 299,367 is: 413,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,015.82 : 764,541.80 = 299,367 : x
  2. Step 2: Convert to fraction form
    554,015.82/764,541.80 = 299,367/x
  3. Step 3: Cross multiply
    554,015.82x = 764,541.80 × 299,367
  4. Step 4: Simplify right side
    554,015.82x = 228,878,585,040.60
  5. Step 5: Solve for x
    x = 228,878,585,040.60/554,015.82
  6. Step 6: Final answer
    x = 413,126.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.