Home / 558,785.40-771,125.33-317,067.32

Finding the Fourth Proportional to 558,785.40, 771,125.33 and 317,067.32

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Solution

The fourth proportional to 558,785.40, 771,125.33 and 317,067.32 is: 437,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,785.40 : 771,125.33 = 317,067.32 : x
  2. Step 2: Convert to fraction form
    558,785.40/771,125.33 = 317,067.32/x
  3. Step 3: Cross multiply
    558,785.40x = 771,125.33 × 317,067.32
  4. Step 4: Simplify right side
    558,785.40x = 244,498,641,767.22
  5. Step 5: Solve for x
    x = 244,498,641,767.22/558,785.40
  6. Step 6: Final answer
    x = 437,553.74

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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.