Home / 498,927.98-748,865.11-308,813.26

Finding the Fourth Proportional to 498,927.98, 748,865.11 and 308,813.26

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Solution

The fourth proportional to 498,927.98, 748,865.11 and 308,813.26 is: 463,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,927.98 : 748,865.11 = 308,813.26 : x
  2. Step 2: Convert to fraction form
    498,927.98/748,865.11 = 308,813.26/x
  3. Step 3: Cross multiply
    498,927.98x = 748,865.11 × 308,813.26
  4. Step 4: Simplify right side
    498,927.98x = 231,259,475,919.36
  5. Step 5: Solve for x
    x = 231,259,475,919.36/498,927.98
  6. Step 6: Final answer
    x = 463,512.74

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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.