Home / 627,301.44-940,841.10-285,666.60

Finding the Fourth Proportional to 627,301.44, 940,841.10 and 285,666.60

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Solution

The fourth proportional to 627,301.44, 940,841.10 and 285,666.60 is: 428,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,301.44 : 940,841.10 = 285,666.60 : x
  2. Step 2: Convert to fraction form
    627,301.44/940,841.10 = 285,666.60/x
  3. Step 3: Cross multiply
    627,301.44x = 940,841.10 × 285,666.60
  4. Step 4: Simplify right side
    627,301.44x = 268,766,878,177.26
  5. Step 5: Solve for x
    x = 268,766,878,177.26/627,301.44
  6. Step 6: Final answer
    x = 428,449.32

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1.5x scale

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.