Home / 441,623.20-609,442.32-240,420.64

Finding the Fourth Proportional to 441,623.20, 609,442.32 and 240,420.64

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Solution

The fourth proportional to 441,623.20, 609,442.32 and 240,420.64 is: 331,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,623.20 : 609,442.32 = 240,420.64 : x
  2. Step 2: Convert to fraction form
    441,623.20/609,442.32 = 240,420.64/x
  3. Step 3: Cross multiply
    441,623.20x = 609,442.32 × 240,420.64
  4. Step 4: Simplify right side
    441,623.20x = 146,522,512,617.49
  5. Step 5: Solve for x
    x = 146,522,512,617.49/441,623.20
  6. Step 6: Final answer
    x = 331,781.74

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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.