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Finding the Fourth Proportional to 507,184.74, 699,909.96 and 274,610.55

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Solution

The fourth proportional to 507,184.74, 699,909.96 and 274,610.55 is: 378,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,184.74 : 699,909.96 = 274,610.55 : x
  2. Step 2: Convert to fraction form
    507,184.74/699,909.96 = 274,610.55/x
  3. Step 3: Cross multiply
    507,184.74x = 699,909.96 × 274,610.55
  4. Step 4: Simplify right side
    507,184.74x = 192,202,657,238.85
  5. Step 5: Solve for x
    x = 192,202,657,238.85/507,184.74
  6. Step 6: Final answer
    x = 378,959.86

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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.