Home / 897,743.25-1,238,911.62-495,361.17

Finding the Fourth Proportional to 897,743.25, 1,238,911.62 and 495,361.17

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Solution

The fourth proportional to 897,743.25, 1,238,911.62 and 495,361.17 is: 683,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,743.25 : 1,238,911.62 = 495,361.17 : x
  2. Step 2: Convert to fraction form
    897,743.25/1,238,911.62 = 495,361.17/x
  3. Step 3: Cross multiply
    897,743.25x = 1,238,911.62 × 495,361.17
  4. Step 4: Simplify right side
    897,743.25x = 613,708,709,609.80
  5. Step 5: Solve for x
    x = 613,708,709,609.80/897,743.25
  6. Step 6: Final answer
    x = 683,612.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.