Home / 851,571.87-1,275,282.78-563,207.83

Finding the Fourth Proportional to 851,571.87, 1,275,282.78 and 563,207.83

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Solution

The fourth proportional to 851,571.87, 1,275,282.78 and 563,207.83 is: 843,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,571.87 : 1,275,282.78 = 563,207.83 : x
  2. Step 2: Convert to fraction form
    851,571.87/1,275,282.78 = 563,207.83/x
  3. Step 3: Cross multiply
    851,571.87x = 1,275,282.78 × 563,207.83
  4. Step 4: Simplify right side
    851,571.87x = 718,249,247,160.17
  5. Step 5: Solve for x
    x = 718,249,247,160.17/851,571.87
  6. Step 6: Final answer
    x = 843,439.38

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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.