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Finding the Fourth Proportional to 633,218.08, 948,319.44 and 366,416.32

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Solution

The fourth proportional to 633,218.08, 948,319.44 and 366,416.32 is: 548,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,218.08 : 948,319.44 = 366,416.32 : x
  2. Step 2: Convert to fraction form
    633,218.08/948,319.44 = 366,416.32/x
  3. Step 3: Cross multiply
    633,218.08x = 948,319.44 × 366,416.32
  4. Step 4: Simplify right side
    633,218.08x = 347,479,719,389.26
  5. Step 5: Solve for x
    x = 347,479,719,389.26/633,218.08
  6. Step 6: Final answer
    x = 548,752.05

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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.