Home / 928,021.08-1,392,032.79-254,108.24

Finding the Fourth Proportional to 928,021.08, 1,392,032.79 and 254,108.24

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Solution

The fourth proportional to 928,021.08, 1,392,032.79 and 254,108.24 is: 381,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,021.08 : 1,392,032.79 = 254,108.24 : x
  2. Step 2: Convert to fraction form
    928,021.08/1,392,032.79 = 254,108.24/x
  3. Step 3: Cross multiply
    928,021.08x = 1,392,032.79 × 254,108.24
  4. Step 4: Simplify right side
    928,021.08x = 353,727,000,549.15
  5. Step 5: Solve for x
    x = 353,727,000,549.15/928,021.08
  6. Step 6: Final answer
    x = 381,162.68

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Double scale
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Similar ratio
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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.