Home / 457,885.86-631,914.87-253,956.21

Finding the Fourth Proportional to 457,885.86, 631,914.87 and 253,956.21

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Solution

The fourth proportional to 457,885.86, 631,914.87 and 253,956.21 is: 350,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,885.86 : 631,914.87 = 253,956.21 : x
  2. Step 2: Convert to fraction form
    457,885.86/631,914.87 = 253,956.21/x
  3. Step 3: Cross multiply
    457,885.86x = 631,914.87 × 253,956.21
  4. Step 4: Simplify right side
    457,885.86x = 160,478,705,427.84
  5. Step 5: Solve for x
    x = 160,478,705,427.84/457,885.86
  6. Step 6: Final answer
    x = 350,477.53

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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.