Home / 782,859.12-1,174,288.68-221,889.84

Finding the Fourth Proportional to 782,859.12, 1,174,288.68 and 221,889.84

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Solution

The fourth proportional to 782,859.12, 1,174,288.68 and 221,889.84 is: 332,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,859.12 : 1,174,288.68 = 221,889.84 : x
  2. Step 2: Convert to fraction form
    782,859.12/1,174,288.68 = 221,889.84/x
  3. Step 3: Cross multiply
    782,859.12x = 1,174,288.68 × 221,889.84
  4. Step 4: Simplify right side
    782,859.12x = 260,562,727,319.01
  5. Step 5: Solve for x
    x = 260,562,727,319.01/782,859.12
  6. Step 6: Final answer
    x = 332,834.76

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1.5x scale

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.