Home / 447,462.80-671,440.24-210,799.42

Finding the Fourth Proportional to 447,462.80, 671,440.24 and 210,799.42

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Solution

The fourth proportional to 447,462.80, 671,440.24 and 210,799.42 is: 316,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,462.80 : 671,440.24 = 210,799.42 : x
  2. Step 2: Convert to fraction form
    447,462.80/671,440.24 = 210,799.42/x
  3. Step 3: Cross multiply
    447,462.80x = 671,440.24 × 210,799.42
  4. Step 4: Simplify right side
    447,462.80x = 141,539,213,156.66
  5. Step 5: Solve for x
    x = 141,539,213,156.66/447,462.80
  6. Step 6: Final answer
    x = 316,315.04

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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.