Home / 629,281.92-941,751.36-389,297.28

Finding the Fourth Proportional to 629,281.92, 941,751.36 and 389,297.28

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Solution

The fourth proportional to 629,281.92, 941,751.36 and 389,297.28 is: 582,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,281.92 : 941,751.36 = 389,297.28 : x
  2. Step 2: Convert to fraction form
    629,281.92/941,751.36 = 389,297.28/x
  3. Step 3: Cross multiply
    629,281.92x = 941,751.36 × 389,297.28
  4. Step 4: Simplify right side
    629,281.92x = 366,621,242,884.30
  5. Step 5: Solve for x
    x = 366,621,242,884.30/629,281.92
  6. Step 6: Final answer
    x = 582,602.54

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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.