Home / 711,485.31-1,067,302.71-231,750.50

Finding the Fourth Proportional to 711,485.31, 1,067,302.71 and 231,750.50

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Solution

The fourth proportional to 711,485.31, 1,067,302.71 and 231,750.50 is: 347,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,485.31 : 1,067,302.71 = 231,750.50 : x
  2. Step 2: Convert to fraction form
    711,485.31/1,067,302.71 = 231,750.50/x
  3. Step 3: Cross multiply
    711,485.31x = 1,067,302.71 × 231,750.50
  4. Step 4: Simplify right side
    711,485.31x = 247,347,936,228.79
  5. Step 5: Solve for x
    x = 247,347,936,228.79/711,485.31
  6. Step 6: Final answer
    x = 347,650.09

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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.