Home / 775,345.78-1,069,820.30-452,993.62

Finding the Fourth Proportional to 775,345.78, 1,069,820.30 and 452,993.62

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Solution

The fourth proportional to 775,345.78, 1,069,820.30 and 452,993.62 is: 625,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,345.78 : 1,069,820.30 = 452,993.62 : x
  2. Step 2: Convert to fraction form
    775,345.78/1,069,820.30 = 452,993.62/x
  3. Step 3: Cross multiply
    775,345.78x = 1,069,820.30 × 452,993.62
  4. Step 4: Simplify right side
    775,345.78x = 484,621,770,446.49
  5. Step 5: Solve for x
    x = 484,621,770,446.49/775,345.78
  6. Step 6: Final answer
    x = 625,039.54

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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.