Home / 456,839.34-685,399.23-204,332.28

Finding the Fourth Proportional to 456,839.34, 685,399.23 and 204,332.28

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Solution

The fourth proportional to 456,839.34, 685,399.23 and 204,332.28 is: 306,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,839.34 : 685,399.23 = 204,332.28 : x
  2. Step 2: Convert to fraction form
    456,839.34/685,399.23 = 204,332.28/x
  3. Step 3: Cross multiply
    456,839.34x = 685,399.23 × 204,332.28
  4. Step 4: Simplify right side
    456,839.34x = 140,049,187,376.14
  5. Step 5: Solve for x
    x = 140,049,187,376.14/456,839.34
  6. Step 6: Final answer
    x = 306,561.14

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1.5x scale

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.