Home / 498,318.09-747,450.33-245,346.39

Finding the Fourth Proportional to 498,318.09, 747,450.33 and 245,346.39

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Solution

The fourth proportional to 498,318.09, 747,450.33 and 245,346.39 is: 368,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,318.09 : 747,450.33 = 245,346.39 : x
  2. Step 2: Convert to fraction form
    498,318.09/747,450.33 = 245,346.39/x
  3. Step 3: Cross multiply
    498,318.09x = 747,450.33 × 245,346.39
  4. Step 4: Simplify right side
    498,318.09x = 183,384,240,169.81
  5. Step 5: Solve for x
    x = 183,384,240,169.81/498,318.09
  6. Step 6: Final answer
    x = 368,006.39

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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.