Home / 498,929.73-748,867.74-308,815.02

Finding the Fourth Proportional to 498,929.73, 748,867.74 and 308,815.02

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Solution

The fourth proportional to 498,929.73, 748,867.74 and 308,815.02 is: 463,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,929.73 : 748,867.74 = 308,815.02 : x
  2. Step 2: Convert to fraction form
    498,929.73/748,867.74 = 308,815.02/x
  3. Step 3: Cross multiply
    498,929.73x = 748,867.74 × 308,815.02
  4. Step 4: Simplify right side
    498,929.73x = 231,261,606,105.46
  5. Step 5: Solve for x
    x = 231,261,606,105.46/498,929.73
  6. Step 6: Final answer
    x = 463,515.39

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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.