Home / 448,617.45-619,299.39-276,566.16

Finding the Fourth Proportional to 448,617.45, 619,299.39 and 276,566.16

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Solution

The fourth proportional to 448,617.45, 619,299.39 and 276,566.16 is: 381,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,617.45 : 619,299.39 = 276,566.16 : x
  2. Step 2: Convert to fraction form
    448,617.45/619,299.39 = 276,566.16/x
  3. Step 3: Cross multiply
    448,617.45x = 619,299.39 × 276,566.16
  4. Step 4: Simplify right side
    448,617.45x = 171,277,254,182.64
  5. Step 5: Solve for x
    x = 171,277,254,182.64/448,617.45
  6. Step 6: Final answer
    x = 381,789.10

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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.