Home / 781,383.66-1,172,252.25-248,935.02

Finding the Fourth Proportional to 781,383.66, 1,172,252.25 and 248,935.02

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Solution

The fourth proportional to 781,383.66, 1,172,252.25 and 248,935.02 is: 373,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,383.66 : 1,172,252.25 = 248,935.02 : x
  2. Step 2: Convert to fraction form
    781,383.66/1,172,252.25 = 248,935.02/x
  3. Step 3: Cross multiply
    781,383.66x = 1,172,252.25 × 248,935.02
  4. Step 4: Simplify right side
    781,383.66x = 291,814,637,298.80
  5. Step 5: Solve for x
    x = 291,814,637,298.80/781,383.66
  6. Step 6: Final answer
    x = 373,458.84

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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.