Home / 874,269.65-1,311,289.66-275,233.95

Finding the Fourth Proportional to 874,269.65, 1,311,289.66 and 275,233.95

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Solution

The fourth proportional to 874,269.65, 1,311,289.66 and 275,233.95 is: 412,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,269.65 : 1,311,289.66 = 275,233.95 : x
  2. Step 2: Convert to fraction form
    874,269.65/1,311,289.66 = 275,233.95/x
  3. Step 3: Cross multiply
    874,269.65x = 1,311,289.66 × 275,233.95
  4. Step 4: Simplify right side
    874,269.65x = 360,911,433,060.00
  5. Step 5: Solve for x
    x = 360,911,433,060.00/874,269.65
  6. Step 6: Final answer
    x = 412,814.78

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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.