Home / 928,154.74-1,392,031.59-329,135.44

Finding the Fourth Proportional to 928,154.74, 1,392,031.59 and 329,135.44

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Solution

The fourth proportional to 928,154.74, 1,392,031.59 and 329,135.44 is: 493,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,154.74 : 1,392,031.59 = 329,135.44 : x
  2. Step 2: Convert to fraction form
    928,154.74/1,392,031.59 = 329,135.44/x
  3. Step 3: Cross multiply
    928,154.74x = 1,392,031.59 × 329,135.44
  4. Step 4: Simplify right side
    928,154.74x = 458,166,929,868.55
  5. Step 5: Solve for x
    x = 458,166,929,868.55/928,154.74
  6. Step 6: Final answer
    x = 493,632.05

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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.