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Finding the Fourth Proportional to 544,456.94, 816,851.54 and 278,404.34

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Solution

The fourth proportional to 544,456.94, 816,851.54 and 278,404.34 is: 417,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,456.94 : 816,851.54 = 278,404.34 : x
  2. Step 2: Convert to fraction form
    544,456.94/816,851.54 = 278,404.34/x
  3. Step 3: Cross multiply
    544,456.94x = 816,851.54 × 278,404.34
  4. Step 4: Simplify right side
    544,456.94x = 227,415,010,483.44
  5. Step 5: Solve for x
    x = 227,415,010,483.44/544,456.94
  6. Step 6: Final answer
    x = 417,691.46

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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.