Home / 447,982.86-671,741.01-211,261.98

Finding the Fourth Proportional to 447,982.86, 671,741.01 and 211,261.98

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Solution

The fourth proportional to 447,982.86, 671,741.01 and 211,261.98 is: 316,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,982.86 : 671,741.01 = 211,261.98 : x
  2. Step 2: Convert to fraction form
    447,982.86/671,741.01 = 211,261.98/x
  3. Step 3: Cross multiply
    447,982.86x = 671,741.01 × 211,261.98
  4. Step 4: Simplify right side
    447,982.86x = 141,913,335,819.80
  5. Step 5: Solve for x
    x = 141,913,335,819.80/447,982.86
  6. Step 6: Final answer
    x = 316,782.96

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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.