Home / 505,206.77-757,952.30-220,922.28

Finding the Fourth Proportional to 505,206.77, 757,952.30 and 220,922.28

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Solution

The fourth proportional to 505,206.77, 757,952.30 and 220,922.28 is: 331,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,206.77 : 757,952.30 = 220,922.28 : x
  2. Step 2: Convert to fraction form
    505,206.77/757,952.30 = 220,922.28/x
  3. Step 3: Cross multiply
    505,206.77x = 757,952.30 × 220,922.28
  4. Step 4: Simplify right side
    505,206.77x = 167,448,550,799.55
  5. Step 5: Solve for x
    x = 167,448,550,799.55/505,206.77
  6. Step 6: Final answer
    x = 331,445.58

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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.