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Finding the Fourth Proportional to 503,485.30, 755,641.05 and 499,548.70

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Solution

The fourth proportional to 503,485.30, 755,641.05 and 499,548.70 is: 749,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,485.30 : 755,641.05 = 499,548.70 : x
  2. Step 2: Convert to fraction form
    503,485.30/755,641.05 = 499,548.70/x
  3. Step 3: Cross multiply
    503,485.30x = 755,641.05 × 499,548.70
  4. Step 4: Simplify right side
    503,485.30x = 377,479,504,194.14
  5. Step 5: Solve for x
    x = 377,479,504,194.14/503,485.30
  6. Step 6: Final answer
    x = 749,732.92

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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.