Home / 775,054.72-1,069,581.20-426,201.24

Finding the Fourth Proportional to 775,054.72, 1,069,581.20 and 426,201.24

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Solution

The fourth proportional to 775,054.72, 1,069,581.20 and 426,201.24 is: 588,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,054.72 : 1,069,581.20 = 426,201.24 : x
  2. Step 2: Convert to fraction form
    775,054.72/1,069,581.20 = 426,201.24/x
  3. Step 3: Cross multiply
    775,054.72x = 1,069,581.20 × 426,201.24
  4. Step 4: Simplify right side
    775,054.72x = 455,856,833,720.69
  5. Step 5: Solve for x
    x = 455,856,833,720.69/775,054.72
  6. Step 6: Final answer
    x = 588,160.84

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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.