Home / 712,041.28-1,067,323.79-445,189.01

Finding the Fourth Proportional to 712,041.28, 1,067,323.79 and 445,189.01

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Solution

The fourth proportional to 712,041.28, 1,067,323.79 and 445,189.01 is: 667,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,041.28 : 1,067,323.79 = 445,189.01 : x
  2. Step 2: Convert to fraction form
    712,041.28/1,067,323.79 = 445,189.01/x
  3. Step 3: Cross multiply
    712,041.28x = 1,067,323.79 × 445,189.01
  4. Step 4: Simplify right side
    712,041.28x = 475,160,817,195.90
  5. Step 5: Solve for x
    x = 475,160,817,195.90/712,041.28
  6. Step 6: Final answer
    x = 667,322.01

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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.