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Finding the Fourth Proportional to 504,497.12, 696,222.80 and 300,520.19

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Solution

The fourth proportional to 504,497.12, 696,222.80 and 300,520.19 is: 414,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,497.12 : 696,222.80 = 300,520.19 : x
  2. Step 2: Convert to fraction form
    504,497.12/696,222.80 = 300,520.19/x
  3. Step 3: Cross multiply
    504,497.12x = 696,222.80 × 300,520.19
  4. Step 4: Simplify right side
    504,497.12x = 209,229,008,138.33
  5. Step 5: Solve for x
    x = 209,229,008,138.33/504,497.12
  6. Step 6: Final answer
    x = 414,727.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.