Home / 320,837.80-481,256.70-292,844.20

Finding the Fourth Proportional to 320,837.80, 481,256.70 and 292,844.20

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Solution

The fourth proportional to 320,837.80, 481,256.70 and 292,844.20 is: 439,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,837.80 : 481,256.70 = 292,844.20 : x
  2. Step 2: Convert to fraction form
    320,837.80/481,256.70 = 292,844.20/x
  3. Step 3: Cross multiply
    320,837.80x = 481,256.70 × 292,844.20
  4. Step 4: Simplify right side
    320,837.80x = 140,933,233,306.14
  5. Step 5: Solve for x
    x = 140,933,233,306.14/320,837.80
  6. Step 6: Final answer
    x = 439,266.30

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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.