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Finding the Fourth Proportional to 565,799.08, 780,823.27 and 324,128.37

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Solution

The fourth proportional to 565,799.08, 780,823.27 and 324,128.37 is: 447,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,799.08 : 780,823.27 = 324,128.37 : x
  2. Step 2: Convert to fraction form
    565,799.08/780,823.27 = 324,128.37/x
  3. Step 3: Cross multiply
    565,799.08x = 780,823.27 × 324,128.37
  4. Step 4: Simplify right side
    565,799.08x = 253,086,970,145.63
  5. Step 5: Solve for x
    x = 253,086,970,145.63/565,799.08
  6. Step 6: Final answer
    x = 447,308.91

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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.