Home / 739,886.81-1,109,743.34-207,450.72

Finding the Fourth Proportional to 739,886.81, 1,109,743.34 and 207,450.72

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Solution

The fourth proportional to 739,886.81, 1,109,743.34 and 207,450.72 is: 311,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,886.81 : 1,109,743.34 = 207,450.72 : x
  2. Step 2: Convert to fraction form
    739,886.81/1,109,743.34 = 207,450.72/x
  3. Step 3: Cross multiply
    739,886.81x = 1,109,743.34 × 207,450.72
  4. Step 4: Simplify right side
    739,886.81x = 230,217,053,860.95
  5. Step 5: Solve for x
    x = 230,217,053,860.95/739,886.81
  6. Step 6: Final answer
    x = 311,151.72

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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.