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Finding the Fourth Proportional to 577,793.82, 797,610.86 and 345,302.78

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Solution

The fourth proportional to 577,793.82, 797,610.86 and 345,302.78 is: 476,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,793.82 : 797,610.86 = 345,302.78 : x
  2. Step 2: Convert to fraction form
    577,793.82/797,610.86 = 345,302.78/x
  3. Step 3: Cross multiply
    577,793.82x = 797,610.86 × 345,302.78
  4. Step 4: Simplify right side
    577,793.82x = 275,417,248,709.88
  5. Step 5: Solve for x
    x = 275,417,248,709.88/577,793.82
  6. Step 6: Final answer
    x = 476,670.46

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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.