Home / 729,925.22-1,094,887.83-280,857.58

Finding the Fourth Proportional to 729,925.22, 1,094,887.83 and 280,857.58

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Solution

The fourth proportional to 729,925.22, 1,094,887.83 and 280,857.58 is: 421,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,925.22 : 1,094,887.83 = 280,857.58 : x
  2. Step 2: Convert to fraction form
    729,925.22/1,094,887.83 = 280,857.58/x
  3. Step 3: Cross multiply
    729,925.22x = 1,094,887.83 × 280,857.58
  4. Step 4: Simplify right side
    729,925.22x = 307,507,544,621.25
  5. Step 5: Solve for x
    x = 307,507,544,621.25/729,925.22
  6. Step 6: Final answer
    x = 421,286.37

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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.