Home / 772,672.20-1,159,008.30-729,369.60

Finding the Fourth Proportional to 772,672.20, 1,159,008.30 and 729,369.60

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Solution

The fourth proportional to 772,672.20, 1,159,008.30 and 729,369.60 is: 1,094,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,672.20 : 1,159,008.30 = 729,369.60 : x
  2. Step 2: Convert to fraction form
    772,672.20/1,159,008.30 = 729,369.60/x
  3. Step 3: Cross multiply
    772,672.20x = 1,159,008.30 × 729,369.60
  4. Step 4: Simplify right side
    772,672.20x = 845,345,420,167.68
  5. Step 5: Solve for x
    x = 845,345,420,167.68/772,672.20
  6. Step 6: Final answer
    x = 1,094,054.40

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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.