Home / 670,467.78-1,005,699.06-271,103.76

Finding the Fourth Proportional to 670,467.78, 1,005,699.06 and 271,103.76

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Solution

The fourth proportional to 670,467.78, 1,005,699.06 and 271,103.76 is: 406,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,467.78 : 1,005,699.06 = 271,103.76 : x
  2. Step 2: Convert to fraction form
    670,467.78/1,005,699.06 = 271,103.76/x
  3. Step 3: Cross multiply
    670,467.78x = 1,005,699.06 × 271,103.76
  4. Step 4: Simplify right side
    670,467.78x = 272,648,796,594.47
  5. Step 5: Solve for x
    x = 272,648,796,594.47/670,467.78
  6. Step 6: Final answer
    x = 406,654.58

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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.