Home / 498,619.69-747,667.09-340,893.25

Finding the Fourth Proportional to 498,619.69, 747,667.09 and 340,893.25

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Solution

The fourth proportional to 498,619.69, 747,667.09 and 340,893.25 is: 511,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,619.69 : 747,667.09 = 340,893.25 : x
  2. Step 2: Convert to fraction form
    498,619.69/747,667.09 = 340,893.25/x
  3. Step 3: Cross multiply
    498,619.69x = 747,667.09 × 340,893.25
  4. Step 4: Simplify right side
    498,619.69x = 254,874,664,228.14
  5. Step 5: Solve for x
    x = 254,874,664,228.14/498,619.69
  6. Step 6: Final answer
    x = 511,160.45

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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.