Home / 874,195.50-1,311,345.90-275,176.20

Finding the Fourth Proportional to 874,195.50, 1,311,345.90 and 275,176.20

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Solution

The fourth proportional to 874,195.50, 1,311,345.90 and 275,176.20 is: 412,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,195.50 : 1,311,345.90 = 275,176.20 : x
  2. Step 2: Convert to fraction form
    874,195.50/1,311,345.90 = 275,176.20/x
  3. Step 3: Cross multiply
    874,195.50x = 1,311,345.90 × 275,176.20
  4. Step 4: Simplify right side
    874,195.50x = 360,851,181,647.58
  5. Step 5: Solve for x
    x = 360,851,181,647.58/874,195.50
  6. Step 6: Final answer
    x = 412,780.87

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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.