Home / 616,727.20-851,067.12-348,455.20

Finding the Fourth Proportional to 616,727.20, 851,067.12 and 348,455.20

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Solution

The fourth proportional to 616,727.20, 851,067.12 and 348,455.20 is: 480,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,727.20 : 851,067.12 = 348,455.20 : x
  2. Step 2: Convert to fraction form
    616,727.20/851,067.12 = 348,455.20/x
  3. Step 3: Cross multiply
    616,727.20x = 851,067.12 × 348,455.20
  4. Step 4: Simplify right side
    616,727.20x = 296,558,763,513.02
  5. Step 5: Solve for x
    x = 296,558,763,513.02/616,727.20
  6. Step 6: Final answer
    x = 480,858.90

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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.