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Finding the Fourth Proportional to 504,867.52, 757,523.63 and 392,379.18

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Solution

The fourth proportional to 504,867.52, 757,523.63 and 392,379.18 is: 588,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,867.52 : 757,523.63 = 392,379.18 : x
  2. Step 2: Convert to fraction form
    504,867.52/757,523.63 = 392,379.18/x
  3. Step 3: Cross multiply
    504,867.52x = 757,523.63 × 392,379.18
  4. Step 4: Simplify right side
    504,867.52x = 297,236,500,770.02
  5. Step 5: Solve for x
    x = 297,236,500,770.02/504,867.52
  6. Step 6: Final answer
    x = 588,741.58

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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.