Home / 775,345.91-1,069,820.46-452,993.72

Finding the Fourth Proportional to 775,345.91, 1,069,820.46 and 452,993.72

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Solution

The fourth proportional to 775,345.91, 1,069,820.46 and 452,993.72 is: 625,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,345.91 : 1,069,820.46 = 452,993.72 : x
  2. Step 2: Convert to fraction form
    775,345.91/1,069,820.46 = 452,993.72/x
  3. Step 3: Cross multiply
    775,345.91x = 1,069,820.46 × 452,993.72
  4. Step 4: Simplify right side
    775,345.91x = 484,621,944,558.41
  5. Step 5: Solve for x
    x = 484,621,944,558.41/775,345.91
  6. Step 6: Final answer
    x = 625,039.66

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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.