Home / 739,937.80-1,109,906.70-657,269.20

Finding the Fourth Proportional to 739,937.80, 1,109,906.70 and 657,269.20

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Solution

The fourth proportional to 739,937.80, 1,109,906.70 and 657,269.20 is: 985,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,937.80 : 1,109,906.70 = 657,269.20 : x
  2. Step 2: Convert to fraction form
    739,937.80/1,109,906.70 = 657,269.20/x
  3. Step 3: Cross multiply
    739,937.80x = 1,109,906.70 × 657,269.20
  4. Step 4: Simplify right side
    739,937.80x = 729,507,488,783.64
  5. Step 5: Solve for x
    x = 729,507,488,783.64/739,937.80
  6. Step 6: Final answer
    x = 985,903.80

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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.