Home / 335,079.20-503,655.60-328,858.40

Finding the Fourth Proportional to 335,079.20, 503,655.60 and 328,858.40

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Solution

The fourth proportional to 335,079.20, 503,655.60 and 328,858.40 is: 494,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.20 : 503,655.60 = 328,858.40 : x
  2. Step 2: Convert to fraction form
    335,079.20/503,655.60 = 328,858.40/x
  3. Step 3: Cross multiply
    335,079.20x = 503,655.60 × 328,858.40
  4. Step 4: Simplify right side
    335,079.20x = 165,631,374,767.04
  5. Step 5: Solve for x
    x = 165,631,374,767.04/335,079.20
  6. Step 6: Final answer
    x = 494,305.15

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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.