Home / 911,918.39-1,258,512.50-504,011.47

Finding the Fourth Proportional to 911,918.39, 1,258,512.50 and 504,011.47

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Solution

The fourth proportional to 911,918.39, 1,258,512.50 and 504,011.47 is: 695,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,918.39 : 1,258,512.50 = 504,011.47 : x
  2. Step 2: Convert to fraction form
    911,918.39/1,258,512.50 = 504,011.47/x
  3. Step 3: Cross multiply
    911,918.39x = 1,258,512.50 × 504,011.47
  4. Step 4: Simplify right side
    911,918.39x = 634,304,726,325.76
  5. Step 5: Solve for x
    x = 634,304,726,325.76/911,918.39
  6. Step 6: Final answer
    x = 695,571.81

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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.