Home / 404,917.38-558,761.49-243,824.58

Finding the Fourth Proportional to 404,917.38, 558,761.49 and 243,824.58

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Solution

The fourth proportional to 404,917.38, 558,761.49 and 243,824.58 is: 336,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,917.38 : 558,761.49 = 243,824.58 : x
  2. Step 2: Convert to fraction form
    404,917.38/558,761.49 = 243,824.58/x
  3. Step 3: Cross multiply
    404,917.38x = 558,761.49 × 243,824.58
  4. Step 4: Simplify right side
    404,917.38x = 136,239,785,619.42
  5. Step 5: Solve for x
    x = 136,239,785,619.42/404,917.38
  6. Step 6: Final answer
    x = 336,463.17

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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.