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Finding the Fourth Proportional to 504,459.74, 695,760.61 and 323,188.42

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Solution

The fourth proportional to 504,459.74, 695,760.61 and 323,188.42 is: 445,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,459.74 : 695,760.61 = 323,188.42 : x
  2. Step 2: Convert to fraction form
    504,459.74/695,760.61 = 323,188.42/x
  3. Step 3: Cross multiply
    504,459.74x = 695,760.61 × 323,188.42
  4. Step 4: Simplify right side
    504,459.74x = 224,861,772,244.14
  5. Step 5: Solve for x
    x = 224,861,772,244.14/504,459.74
  6. Step 6: Final answer
    x = 445,747.71

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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.