Home / 739,475.81-1,109,277.21-259,662.36

Finding the Fourth Proportional to 739,475.81, 1,109,277.21 and 259,662.36

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Solution

The fourth proportional to 739,475.81, 1,109,277.21 and 259,662.36 is: 389,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,475.81 : 1,109,277.21 = 259,662.36 : x
  2. Step 2: Convert to fraction form
    739,475.81/1,109,277.21 = 259,662.36/x
  3. Step 3: Cross multiply
    739,475.81x = 1,109,277.21 × 259,662.36
  4. Step 4: Simplify right side
    739,475.81x = 288,037,538,242.82
  5. Step 5: Solve for x
    x = 288,037,538,242.82/739,475.81
  6. Step 6: Final answer
    x = 389,515.84

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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.