Home / 928,153.74-1,392,030.09-329,134.44

Finding the Fourth Proportional to 928,153.74, 1,392,030.09 and 329,134.44

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Solution

The fourth proportional to 928,153.74, 1,392,030.09 and 329,134.44 is: 493,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,153.74 : 1,392,030.09 = 329,134.44 : x
  2. Step 2: Convert to fraction form
    928,153.74/1,392,030.09 = 329,134.44/x
  3. Step 3: Cross multiply
    928,153.74x = 1,392,030.09 × 329,134.44
  4. Step 4: Simplify right side
    928,153.74x = 458,165,044,135.30
  5. Step 5: Solve for x
    x = 458,165,044,135.30/928,153.74
  6. Step 6: Final answer
    x = 493,630.55

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1.5x scale

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.