Home / 521,824.23-720,108.12-292,380.60

Finding the Fourth Proportional to 521,824.23, 720,108.12 and 292,380.60

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Solution

The fourth proportional to 521,824.23, 720,108.12 and 292,380.60 is: 403,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,824.23 : 720,108.12 = 292,380.60 : x
  2. Step 2: Convert to fraction form
    521,824.23/720,108.12 = 292,380.60/x
  3. Step 3: Cross multiply
    521,824.23x = 720,108.12 × 292,380.60
  4. Step 4: Simplify right side
    521,824.23x = 210,545,644,190.47
  5. Step 5: Solve for x
    x = 210,545,644,190.47/521,824.23
  6. Step 6: Final answer
    x = 403,480.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.