Home / 859,511.33-1,288,270.46-809,688.74

Finding the Fourth Proportional to 859,511.33, 1,288,270.46 and 809,688.74

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Solution

The fourth proportional to 859,511.33, 1,288,270.46 and 809,688.74 is: 1,213,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,511.33 : 1,288,270.46 = 809,688.74 : x
  2. Step 2: Convert to fraction form
    859,511.33/1,288,270.46 = 809,688.74/x
  3. Step 3: Cross multiply
    859,511.33x = 1,288,270.46 × 809,688.74
  4. Step 4: Simplify right side
    859,511.33x = 1,043,098,084,509.99
  5. Step 5: Solve for x
    x = 1,043,098,084,509.99/859,511.33
  6. Step 6: Final answer
    x = 1,213,594.34

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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.