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Finding the Fourth Proportional to 671,791.32, 927,029.88 and 369,985.32

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Solution

The fourth proportional to 671,791.32, 927,029.88 and 369,985.32 is: 510,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,791.32 : 927,029.88 = 369,985.32 : x
  2. Step 2: Convert to fraction form
    671,791.32/927,029.88 = 369,985.32/x
  3. Step 3: Cross multiply
    671,791.32x = 927,029.88 × 369,985.32
  4. Step 4: Simplify right side
    671,791.32x = 342,987,446,801.36
  5. Step 5: Solve for x
    x = 342,987,446,801.36/671,791.32
  6. Step 6: Final answer
    x = 510,556.53

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1.5x scale

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.