Home / 874,643.58-1,311,497.87-275,443.83

Finding the Fourth Proportional to 874,643.58, 1,311,497.87 and 275,443.83

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Solution

The fourth proportional to 874,643.58, 1,311,497.87 and 275,443.83 is: 413,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,643.58 : 1,311,497.87 = 275,443.83 : x
  2. Step 2: Convert to fraction form
    874,643.58/1,311,497.87 = 275,443.83/x
  3. Step 3: Cross multiply
    874,643.58x = 1,311,497.87 × 275,443.83
  4. Step 4: Simplify right side
    874,643.58x = 361,243,994,972.42
  5. Step 5: Solve for x
    x = 361,243,994,972.42/874,643.58
  6. Step 6: Final answer
    x = 413,018.52

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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.