Home / 775,315.55-1,069,778.63-452,963.36

Finding the Fourth Proportional to 775,315.55, 1,069,778.63 and 452,963.36

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Solution

The fourth proportional to 775,315.55, 1,069,778.63 and 452,963.36 is: 624,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,315.55 : 1,069,778.63 = 452,963.36 : x
  2. Step 2: Convert to fraction form
    775,315.55/1,069,778.63 = 452,963.36/x
  3. Step 3: Cross multiply
    775,315.55x = 1,069,778.63 × 452,963.36
  4. Step 4: Simplify right side
    775,315.55x = 484,570,526,507.85
  5. Step 5: Solve for x
    x = 484,570,526,507.85/775,315.55
  6. Step 6: Final answer
    x = 624,997.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.