Home / 320,828.80-481,243.20-292,835.20

Finding the Fourth Proportional to 320,828.80, 481,243.20 and 292,835.20

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Solution

The fourth proportional to 320,828.80, 481,243.20 and 292,835.20 is: 439,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,828.80 : 481,243.20 = 292,835.20 : x
  2. Step 2: Convert to fraction form
    320,828.80/481,243.20 = 292,835.20/x
  3. Step 3: Cross multiply
    320,828.80x = 481,243.20 × 292,835.20
  4. Step 4: Simplify right side
    320,828.80x = 140,924,948,720.64
  5. Step 5: Solve for x
    x = 140,924,948,720.64/320,828.80
  6. Step 6: Final answer
    x = 439,252.80

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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.