Home / 851,031.82-1,276,664.45-377,706.70

Finding the Fourth Proportional to 851,031.82, 1,276,664.45 and 377,706.70

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Solution

The fourth proportional to 851,031.82, 1,276,664.45 and 377,706.70 is: 566,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,031.82 : 1,276,664.45 = 377,706.70 : x
  2. Step 2: Convert to fraction form
    851,031.82/1,276,664.45 = 377,706.70/x
  3. Step 3: Cross multiply
    851,031.82x = 1,276,664.45 × 377,706.70
  4. Step 4: Simplify right side
    851,031.82x = 482,204,716,416.82
  5. Step 5: Solve for x
    x = 482,204,716,416.82/851,031.82
  6. Step 6: Final answer
    x = 566,611.85

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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.