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Finding the Fourth Proportional to 504,228.80, 756,343.20 and 223,774.40

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Solution

The fourth proportional to 504,228.80, 756,343.20 and 223,774.40 is: 335,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,228.80 : 756,343.20 = 223,774.40 : x
  2. Step 2: Convert to fraction form
    504,228.80/756,343.20 = 223,774.40/x
  3. Step 3: Cross multiply
    504,228.80x = 756,343.20 × 223,774.40
  4. Step 4: Simplify right side
    504,228.80x = 169,250,245,774.08
  5. Step 5: Solve for x
    x = 169,250,245,774.08/504,228.80
  6. Step 6: Final answer
    x = 335,661.60

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Similar ratio
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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.