Home / 739,235.34-1,108,853.10-259,839.48

Finding the Fourth Proportional to 739,235.34, 1,108,853.10 and 259,839.48

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Solution

The fourth proportional to 739,235.34, 1,108,853.10 and 259,839.48 is: 389,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,235.34 : 1,108,853.10 = 259,839.48 : x
  2. Step 2: Convert to fraction form
    739,235.34/1,108,853.10 = 259,839.48/x
  3. Step 3: Cross multiply
    739,235.34x = 1,108,853.10 × 259,839.48
  4. Step 4: Simplify right side
    739,235.34x = 288,123,812,900.39
  5. Step 5: Solve for x
    x = 288,123,812,900.39/739,235.34
  6. Step 6: Final answer
    x = 389,759.25

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1.5x scale

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.