Home / 805,216.80-1,206,367.20-637,838.40

Finding the Fourth Proportional to 805,216.80, 1,206,367.20 and 637,838.40

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Solution

The fourth proportional to 805,216.80, 1,206,367.20 and 637,838.40 is: 955,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,216.80 : 1,206,367.20 = 637,838.40 : x
  2. Step 2: Convert to fraction form
    805,216.80/1,206,367.20 = 637,838.40/x
  3. Step 3: Cross multiply
    805,216.80x = 1,206,367.20 × 637,838.40
  4. Step 4: Simplify right side
    805,216.80x = 769,467,324,660.48
  5. Step 5: Solve for x
    x = 769,467,324,660.48/805,216.80
  6. Step 6: Final answer
    x = 955,602.67

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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.