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Finding the Fourth Proportional to 504,741.28, 756,178.80 and 254,826.40

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Solution

The fourth proportional to 504,741.28, 756,178.80 and 254,826.40 is: 381,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,741.28 : 756,178.80 = 254,826.40 : x
  2. Step 2: Convert to fraction form
    504,741.28/756,178.80 = 254,826.40/x
  3. Step 3: Cross multiply
    504,741.28x = 756,178.80 × 254,826.40
  4. Step 4: Simplify right side
    504,741.28x = 192,694,321,360.32
  5. Step 5: Solve for x
    x = 192,694,321,360.32/504,741.28
  6. Step 6: Final answer
    x = 381,768.50

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Double scale
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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.