Home / 669,754.80-1,004,552.64-220,364.24

Finding the Fourth Proportional to 669,754.80, 1,004,552.64 and 220,364.24

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Solution

The fourth proportional to 669,754.80, 1,004,552.64 and 220,364.24 is: 330,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,754.80 : 1,004,552.64 = 220,364.24 : x
  2. Step 2: Convert to fraction form
    669,754.80/1,004,552.64 = 220,364.24/x
  3. Step 3: Cross multiply
    669,754.80x = 1,004,552.64 × 220,364.24
  4. Step 4: Simplify right side
    669,754.80x = 221,367,479,053.59
  5. Step 5: Solve for x
    x = 221,367,479,053.59/669,754.80
  6. Step 6: Final answer
    x = 330,520.18

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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.