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Finding the Fourth Proportional to 394,398.72, 591,598.08 and 360,184.32

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Solution

The fourth proportional to 394,398.72, 591,598.08 and 360,184.32 is: 540,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,398.72 : 591,598.08 = 360,184.32 : x
  2. Step 2: Convert to fraction form
    394,398.72/591,598.08 = 360,184.32/x
  3. Step 3: Cross multiply
    394,398.72x = 591,598.08 × 360,184.32
  4. Step 4: Simplify right side
    394,398.72x = 213,084,352,158.11
  5. Step 5: Solve for x
    x = 213,084,352,158.11/394,398.72
  6. Step 6: Final answer
    x = 540,276.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.