Home / 328,822.20-493,233.30-79,504.20

Finding the Fourth Proportional to 328,822.20, 493,233.30 and 79,504.20

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Solution

The fourth proportional to 328,822.20, 493,233.30 and 79,504.20 is: 119,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,822.20 : 493,233.30 = 79,504.20 : x
  2. Step 2: Convert to fraction form
    328,822.20/493,233.30 = 79,504.20/x
  3. Step 3: Cross multiply
    328,822.20x = 493,233.30 × 79,504.20
  4. Step 4: Simplify right side
    328,822.20x = 39,214,118,929.86
  5. Step 5: Solve for x
    x = 39,214,118,929.86/328,822.20
  6. Step 6: Final answer
    x = 119,256.30

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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.