Home / 808,074.55-1,115,150.66-445,512.48

Finding the Fourth Proportional to 808,074.55, 1,115,150.66 and 445,512.48

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Solution

The fourth proportional to 808,074.55, 1,115,150.66 and 445,512.48 is: 614,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,074.55 : 1,115,150.66 = 445,512.48 : x
  2. Step 2: Convert to fraction form
    808,074.55/1,115,150.66 = 445,512.48/x
  3. Step 3: Cross multiply
    808,074.55x = 1,115,150.66 × 445,512.48
  4. Step 4: Simplify right side
    808,074.55x = 496,813,536,110.24
  5. Step 5: Solve for x
    x = 496,813,536,110.24/808,074.55
  6. Step 6: Final answer
    x = 614,811.51

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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.