Home / 775,734.78-1,070,520.39-436,200.06

Finding the Fourth Proportional to 775,734.78, 1,070,520.39 and 436,200.06

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Solution

The fourth proportional to 775,734.78, 1,070,520.39 and 436,200.06 is: 601,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,734.78 : 1,070,520.39 = 436,200.06 : x
  2. Step 2: Convert to fraction form
    775,734.78/1,070,520.39 = 436,200.06/x
  3. Step 3: Cross multiply
    775,734.78x = 1,070,520.39 × 436,200.06
  4. Step 4: Simplify right side
    775,734.78x = 466,961,058,349.22
  5. Step 5: Solve for x
    x = 466,961,058,349.22/775,734.78
  6. Step 6: Final answer
    x = 601,959.68

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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.