Home / 414,823.38-622,325.79-134,368.98

Finding the Fourth Proportional to 414,823.38, 622,325.79 and 134,368.98

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Solution

The fourth proportional to 414,823.38, 622,325.79 and 134,368.98 is: 201,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,823.38 : 622,325.79 = 134,368.98 : x
  2. Step 2: Convert to fraction form
    414,823.38/622,325.79 = 134,368.98/x
  3. Step 3: Cross multiply
    414,823.38x = 622,325.79 × 134,368.98
  4. Step 4: Simplify right side
    414,823.38x = 83,621,281,629.99
  5. Step 5: Solve for x
    x = 83,621,281,629.99/414,823.38
  6. Step 6: Final answer
    x = 201,582.86

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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.