Home / 713,135.37-1,069,649.19-263,646.12

Finding the Fourth Proportional to 713,135.37, 1,069,649.19 and 263,646.12

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Solution

The fourth proportional to 713,135.37, 1,069,649.19 and 263,646.12 is: 395,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,135.37 : 1,069,649.19 = 263,646.12 : x
  2. Step 2: Convert to fraction form
    713,135.37/1,069,649.19 = 263,646.12/x
  3. Step 3: Cross multiply
    713,135.37x = 1,069,649.19 × 263,646.12
  4. Step 4: Simplify right side
    713,135.37x = 282,008,858,704.64
  5. Step 5: Solve for x
    x = 282,008,858,704.64/713,135.37
  6. Step 6: Final answer
    x = 395,449.27

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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.