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Finding the Fourth Proportional to 444,622.38, 613,521.75 and 253,624.38

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Solution

The fourth proportional to 444,622.38, 613,521.75 and 253,624.38 is: 349,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,622.38 : 613,521.75 = 253,624.38 : x
  2. Step 2: Convert to fraction form
    444,622.38/613,521.75 = 253,624.38/x
  3. Step 3: Cross multiply
    444,622.38x = 613,521.75 × 253,624.38
  4. Step 4: Simplify right side
    444,622.38x = 155,604,073,460.27
  5. Step 5: Solve for x
    x = 155,604,073,460.27/444,622.38
  6. Step 6: Final answer
    x = 349,969.05

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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.