Home / 739,518.77-1,109,400.78-259,622.03

Finding the Fourth Proportional to 739,518.77, 1,109,400.78 and 259,622.03

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Solution

The fourth proportional to 739,518.77, 1,109,400.78 and 259,622.03 is: 389,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,518.77 : 1,109,400.78 = 259,622.03 : x
  2. Step 2: Convert to fraction form
    739,518.77/1,109,400.78 = 259,622.03/x
  3. Step 3: Cross multiply
    739,518.77x = 1,109,400.78 × 259,622.03
  4. Step 4: Simplify right side
    739,518.77x = 288,024,877,040.18
  5. Step 5: Solve for x
    x = 288,024,877,040.18/739,518.77
  6. Step 6: Final answer
    x = 389,476.09

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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.