Home / 874,271.53-1,311,292.47-275,235.83

Finding the Fourth Proportional to 874,271.53, 1,311,292.47 and 275,235.83

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Solution

The fourth proportional to 874,271.53, 1,311,292.47 and 275,235.83 is: 412,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,271.53 : 1,311,292.47 = 275,235.83 : x
  2. Step 2: Convert to fraction form
    874,271.53/1,311,292.47 = 275,235.83/x
  3. Step 3: Cross multiply
    874,271.53x = 1,311,292.47 × 275,235.83
  4. Step 4: Simplify right side
    874,271.53x = 360,914,664,796.74
  5. Step 5: Solve for x
    x = 360,914,664,796.74/874,271.53
  6. Step 6: Final answer
    x = 412,817.59

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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.