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Finding the Fourth Proportional to 395,410.04, 595,813.22 and 326,825.72

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Solution

The fourth proportional to 395,410.04, 595,813.22 and 326,825.72 is: 492,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,410.04 : 595,813.22 = 326,825.72 : x
  2. Step 2: Convert to fraction form
    395,410.04/595,813.22 = 326,825.72/x
  3. Step 3: Cross multiply
    395,410.04x = 595,813.22 × 326,825.72
  4. Step 4: Simplify right side
    395,410.04x = 194,727,084,612.02
  5. Step 5: Solve for x
    x = 194,727,084,612.02/395,410.04
  6. Step 6: Final answer
    x = 492,468.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.