Home / 622,051.25-931,286.94-557,142.45

Finding the Fourth Proportional to 622,051.25, 931,286.94 and 557,142.45

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Solution

The fourth proportional to 622,051.25, 931,286.94 and 557,142.45 is: 834,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,051.25 : 931,286.94 = 557,142.45 : x
  2. Step 2: Convert to fraction form
    622,051.25/931,286.94 = 557,142.45/x
  3. Step 3: Cross multiply
    622,051.25x = 931,286.94 × 557,142.45
  4. Step 4: Simplify right side
    622,051.25x = 518,859,487,404.60
  5. Step 5: Solve for x
    x = 518,859,487,404.60/622,051.25
  6. Step 6: Final answer
    x = 834,110.52

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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.