Home / 791,171.32-1,186,829.94-258,695.08

Finding the Fourth Proportional to 791,171.32, 1,186,829.94 and 258,695.08

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Solution

The fourth proportional to 791,171.32, 1,186,829.94 and 258,695.08 is: 388,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,171.32 : 1,186,829.94 = 258,695.08 : x
  2. Step 2: Convert to fraction form
    791,171.32/1,186,829.94 = 258,695.08/x
  3. Step 3: Cross multiply
    791,171.32x = 1,186,829.94 × 258,695.08
  4. Step 4: Simplify right side
    791,171.32x = 307,027,066,274.70
  5. Step 5: Solve for x
    x = 307,027,066,274.70/791,171.32
  6. Step 6: Final answer
    x = 388,066.48

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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.