Home / 775,173.78-1,069,499.39-452,651.22

Finding the Fourth Proportional to 775,173.78, 1,069,499.39 and 452,651.22

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Solution

The fourth proportional to 775,173.78, 1,069,499.39 and 452,651.22 is: 624,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,173.78 : 1,069,499.39 = 452,651.22 : x
  2. Step 2: Convert to fraction form
    775,173.78/1,069,499.39 = 452,651.22/x
  3. Step 3: Cross multiply
    775,173.78x = 1,069,499.39 × 452,651.22
  4. Step 4: Simplify right side
    775,173.78x = 484,110,203,672.76
  5. Step 5: Solve for x
    x = 484,110,203,672.76/775,173.78
  6. Step 6: Final answer
    x = 624,518.29

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Double scale
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1.5x scale

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.