Home / 801,366.71-1,105,915.82-457,258.64

Finding the Fourth Proportional to 801,366.71, 1,105,915.82 and 457,258.64

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Solution

The fourth proportional to 801,366.71, 1,105,915.82 and 457,258.64 is: 631,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,366.71 : 1,105,915.82 = 457,258.64 : x
  2. Step 2: Convert to fraction form
    801,366.71/1,105,915.82 = 457,258.64/x
  3. Step 3: Cross multiply
    801,366.71x = 1,105,915.82 × 457,258.64
  4. Step 4: Simplify right side
    801,366.71x = 505,689,555,991.81
  5. Step 5: Solve for x
    x = 505,689,555,991.81/801,366.71
  6. Step 6: Final answer
    x = 631,033.90

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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.