Home / 739,278.42-1,109,039.30-226,930.70

Finding the Fourth Proportional to 739,278.42, 1,109,039.30 and 226,930.70

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Solution

The fourth proportional to 739,278.42, 1,109,039.30 and 226,930.70 is: 340,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,278.42 : 1,109,039.30 = 226,930.70 : x
  2. Step 2: Convert to fraction form
    739,278.42/1,109,039.30 = 226,930.70/x
  3. Step 3: Cross multiply
    739,278.42x = 1,109,039.30 × 226,930.70
  4. Step 4: Simplify right side
    739,278.42x = 251,675,064,676.51
  5. Step 5: Solve for x
    x = 251,675,064,676.51/739,278.42
  6. Step 6: Final answer
    x = 340,433.40

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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.