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Finding the Fourth Proportional to 504,025.60, 756,038.40 and 282,380.80

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Solution

The fourth proportional to 504,025.60, 756,038.40 and 282,380.80 is: 423,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,025.60 : 756,038.40 = 282,380.80 : x
  2. Step 2: Convert to fraction form
    504,025.60/756,038.40 = 282,380.80/x
  3. Step 3: Cross multiply
    504,025.60x = 756,038.40 × 282,380.80
  4. Step 4: Simplify right side
    504,025.60x = 213,490,728,222.72
  5. Step 5: Solve for x
    x = 213,490,728,222.72/504,025.60
  6. Step 6: Final answer
    x = 423,571.20

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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.