Home / 626,088-938,947.30-266,258.17

Finding the Fourth Proportional to 626,088, 938,947.30 and 266,258.17

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Solution

The fourth proportional to 626,088, 938,947.30 and 266,258.17 is: 399,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,088 : 938,947.30 = 266,258.17 : x
  2. Step 2: Convert to fraction form
    626,088/938,947.30 = 266,258.17/x
  3. Step 3: Cross multiply
    626,088x = 938,947.30 × 266,258.17
  4. Step 4: Simplify right side
    626,088x = 250,002,389,824.44
  5. Step 5: Solve for x
    x = 250,002,389,824.44/626,088
  6. Step 6: Final answer
    x = 399,308.71

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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.