Home / 775,560.28-1,070,273.13-436,028.53

Finding the Fourth Proportional to 775,560.28, 1,070,273.13 and 436,028.53

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Solution

The fourth proportional to 775,560.28, 1,070,273.13 and 436,028.53 is: 601,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,560.28 : 1,070,273.13 = 436,028.53 : x
  2. Step 2: Convert to fraction form
    775,560.28/1,070,273.13 = 436,028.53/x
  3. Step 3: Cross multiply
    775,560.28x = 1,070,273.13 × 436,028.53
  4. Step 4: Simplify right side
    775,560.28x = 466,669,616,896.72
  5. Step 5: Solve for x
    x = 466,669,616,896.72/775,560.28
  6. Step 6: Final answer
    x = 601,719.34

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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.