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Finding the Fourth Proportional to 503,930.80, 756,114.90 and 254,612.80

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Solution

The fourth proportional to 503,930.80, 756,114.90 and 254,612.80 is: 382,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,930.80 : 756,114.90 = 254,612.80 : x
  2. Step 2: Convert to fraction form
    503,930.80/756,114.90 = 254,612.80/x
  3. Step 3: Cross multiply
    503,930.80x = 756,114.90 × 254,612.80
  4. Step 4: Simplify right side
    503,930.80x = 192,516,531,810.72
  5. Step 5: Solve for x
    x = 192,516,531,810.72/503,930.80
  6. Step 6: Final answer
    x = 382,029.70

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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.