Home / 876,595.73-1,314,361.40-343,478.03

Finding the Fourth Proportional to 876,595.73, 1,314,361.40 and 343,478.03

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Solution

The fourth proportional to 876,595.73, 1,314,361.40 and 343,478.03 is: 515,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,595.73 : 1,314,361.40 = 343,478.03 : x
  2. Step 2: Convert to fraction form
    876,595.73/1,314,361.40 = 343,478.03/x
  3. Step 3: Cross multiply
    876,595.73x = 1,314,361.40 × 343,478.03
  4. Step 4: Simplify right side
    876,595.73x = 451,454,256,090.85
  5. Step 5: Solve for x
    x = 451,454,256,090.85/876,595.73
  6. Step 6: Final answer
    x = 515,008.51

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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.