Home / 938,474.10-1,295,100.90-508,761

Finding the Fourth Proportional to 938,474.10, 1,295,100.90 and 508,761

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Solution

The fourth proportional to 938,474.10, 1,295,100.90 and 508,761 is: 702,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,474.10 : 1,295,100.90 = 508,761 : x
  2. Step 2: Convert to fraction form
    938,474.10/1,295,100.90 = 508,761/x
  3. Step 3: Cross multiply
    938,474.10x = 1,295,100.90 × 508,761
  4. Step 4: Simplify right side
    938,474.10x = 658,896,828,984.90
  5. Step 5: Solve for x
    x = 658,896,828,984.90/938,474.10
  6. Step 6: Final answer
    x = 702,093.78

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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.