Home / 729,069.37-1,006,092.21-397,912.63

Finding the Fourth Proportional to 729,069.37, 1,006,092.21 and 397,912.63

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Solution

The fourth proportional to 729,069.37, 1,006,092.21 and 397,912.63 is: 549,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,069.37 : 1,006,092.21 = 397,912.63 : x
  2. Step 2: Convert to fraction form
    729,069.37/1,006,092.21 = 397,912.63/x
  3. Step 3: Cross multiply
    729,069.37x = 1,006,092.21 × 397,912.63
  4. Step 4: Simplify right side
    729,069.37x = 400,336,797,303.61
  5. Step 5: Solve for x
    x = 400,336,797,303.61/729,069.37
  6. Step 6: Final answer
    x = 549,106.59

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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.