Home / 712,041.09-1,067,323.46-445,188.89

Finding the Fourth Proportional to 712,041.09, 1,067,323.46 and 445,188.89

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Solution

The fourth proportional to 712,041.09, 1,067,323.46 and 445,188.89 is: 667,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,041.09 : 1,067,323.46 = 445,188.89 : x
  2. Step 2: Convert to fraction form
    712,041.09/1,067,323.46 = 445,188.89/x
  3. Step 3: Cross multiply
    712,041.09x = 1,067,323.46 × 445,188.89
  4. Step 4: Simplify right side
    712,041.09x = 475,160,538,865.80
  5. Step 5: Solve for x
    x = 475,160,538,865.80/712,041.09
  6. Step 6: Final answer
    x = 667,321.80

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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.