Home / 781,383.41-1,172,251.88-248,934.77

Finding the Fourth Proportional to 781,383.41, 1,172,251.88 and 248,934.77

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Solution

The fourth proportional to 781,383.41, 1,172,251.88 and 248,934.77 is: 373,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,383.41 : 1,172,251.88 = 248,934.77 : x
  2. Step 2: Convert to fraction form
    781,383.41/1,172,251.88 = 248,934.77/x
  3. Step 3: Cross multiply
    781,383.41x = 1,172,251.88 × 248,934.77
  4. Step 4: Simplify right side
    781,383.41x = 291,814,252,129.87
  5. Step 5: Solve for x
    x = 291,814,252,129.87/781,383.41
  6. Step 6: Final answer
    x = 373,458.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.