Home / 712,077.63-1,067,378.32-445,225.36

Finding the Fourth Proportional to 712,077.63, 1,067,378.32 and 445,225.36

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Solution

The fourth proportional to 712,077.63, 1,067,378.32 and 445,225.36 is: 667,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,077.63 : 1,067,378.32 = 445,225.36 : x
  2. Step 2: Convert to fraction form
    712,077.63/1,067,378.32 = 445,225.36/x
  3. Step 3: Cross multiply
    712,077.63x = 1,067,378.32 × 445,225.36
  4. Step 4: Simplify right side
    712,077.63x = 475,223,896,778.20
  5. Step 5: Solve for x
    x = 475,223,896,778.20/712,077.63
  6. Step 6: Final answer
    x = 667,376.53

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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.