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Finding the Fourth Proportional to 631,252.98, 871,157.43 and 344,775.42

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Solution

The fourth proportional to 631,252.98, 871,157.43 and 344,775.42 is: 475,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,252.98 : 871,157.43 = 344,775.42 : x
  2. Step 2: Convert to fraction form
    631,252.98/871,157.43 = 344,775.42/x
  3. Step 3: Cross multiply
    631,252.98x = 871,157.43 × 344,775.42
  4. Step 4: Simplify right side
    631,252.98x = 300,353,668,814.37
  5. Step 5: Solve for x
    x = 300,353,668,814.37/631,252.98
  6. Step 6: Final answer
    x = 475,805.55

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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.