Home / 928,146.74-1,392,019.62-329,127.44

Finding the Fourth Proportional to 928,146.74, 1,392,019.62 and 329,127.44

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Solution

The fourth proportional to 928,146.74, 1,392,019.62 and 329,127.44 is: 493,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,146.74 : 1,392,019.62 = 329,127.44 : x
  2. Step 2: Convert to fraction form
    928,146.74/1,392,019.62 = 329,127.44/x
  3. Step 3: Cross multiply
    928,146.74x = 1,392,019.62 × 329,127.44
  4. Step 4: Simplify right side
    928,146.74x = 458,151,853,960.37
  5. Step 5: Solve for x
    x = 458,151,853,960.37/928,146.74
  6. Step 6: Final answer
    x = 493,620.06

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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.