Home / 439,588.80-659,383.20-401,097.60

Finding the Fourth Proportional to 439,588.80, 659,383.20 and 401,097.60

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Solution

The fourth proportional to 439,588.80, 659,383.20 and 401,097.60 is: 601,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,588.80 : 659,383.20 = 401,097.60 : x
  2. Step 2: Convert to fraction form
    439,588.80/659,383.20 = 401,097.60/x
  3. Step 3: Cross multiply
    439,588.80x = 659,383.20 × 401,097.60
  4. Step 4: Simplify right side
    439,588.80x = 264,477,019,000.32
  5. Step 5: Solve for x
    x = 264,477,019,000.32/439,588.80
  6. Step 6: Final answer
    x = 601,646.40

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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.