Home / 740,305.98-1,110,286.44-207,878.40

Finding the Fourth Proportional to 740,305.98, 1,110,286.44 and 207,878.40

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Solution

The fourth proportional to 740,305.98, 1,110,286.44 and 207,878.40 is: 311,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,305.98 : 1,110,286.44 = 207,878.40 : x
  2. Step 2: Convert to fraction form
    740,305.98/1,110,286.44 = 207,878.40/x
  3. Step 3: Cross multiply
    740,305.98x = 1,110,286.44 × 207,878.40
  4. Step 4: Simplify right side
    740,305.98x = 230,804,568,688.90
  5. Step 5: Solve for x
    x = 230,804,568,688.90/740,305.98
  6. Step 6: Final answer
    x = 311,769.15

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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.