Home / 500,233.30-690,424.05-339,140.14

Finding the Fourth Proportional to 500,233.30, 690,424.05 and 339,140.14

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Solution

The fourth proportional to 500,233.30, 690,424.05 and 339,140.14 is: 468,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,233.30 : 690,424.05 = 339,140.14 : x
  2. Step 2: Convert to fraction form
    500,233.30/690,424.05 = 339,140.14/x
  3. Step 3: Cross multiply
    500,233.30x = 690,424.05 × 339,140.14
  4. Step 4: Simplify right side
    500,233.30x = 234,150,508,976.37
  5. Step 5: Solve for x
    x = 234,150,508,976.37/500,233.30
  6. Step 6: Final answer
    x = 468,082.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.