Home / 447,612.03-671,440.35-127,811.34

Finding the Fourth Proportional to 447,612.03, 671,440.35 and 127,811.34

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Solution

The fourth proportional to 447,612.03, 671,440.35 and 127,811.34 is: 191,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,612.03 : 671,440.35 = 127,811.34 : x
  2. Step 2: Convert to fraction form
    447,612.03/671,440.35 = 127,811.34/x
  3. Step 3: Cross multiply
    447,612.03x = 671,440.35 × 127,811.34
  4. Step 4: Simplify right side
    447,612.03x = 85,817,690,863.57
  5. Step 5: Solve for x
    x = 85,817,690,863.57/447,612.03
  6. Step 6: Final answer
    x = 191,723.38

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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.