Home / 588,028.80-879,969.60-409,699.20

Finding the Fourth Proportional to 588,028.80, 879,969.60 and 409,699.20

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Solution

The fourth proportional to 588,028.80, 879,969.60 and 409,699.20 is: 613,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,028.80 : 879,969.60 = 409,699.20 : x
  2. Step 2: Convert to fraction form
    588,028.80/879,969.60 = 409,699.20/x
  3. Step 3: Cross multiply
    588,028.80x = 879,969.60 × 409,699.20
  4. Step 4: Simplify right side
    588,028.80x = 360,522,841,144.32
  5. Step 5: Solve for x
    x = 360,522,841,144.32/588,028.80
  6. Step 6: Final answer
    x = 613,104.05

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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.