Home / 603,321.20-832,641.04-345,146.88

Finding the Fourth Proportional to 603,321.20, 832,641.04 and 345,146.88

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Solution

The fourth proportional to 603,321.20, 832,641.04 and 345,146.88 is: 476,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,321.20 : 832,641.04 = 345,146.88 : x
  2. Step 2: Convert to fraction form
    603,321.20/832,641.04 = 345,146.88/x
  3. Step 3: Cross multiply
    603,321.20x = 832,641.04 × 345,146.88
  4. Step 4: Simplify right side
    603,321.20x = 287,383,457,115.96
  5. Step 5: Solve for x
    x = 287,383,457,115.96/603,321.20
  6. Step 6: Final answer
    x = 476,335.75

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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.