Home / 775,834.36-1,070,557.38-431,588.93

Finding the Fourth Proportional to 775,834.36, 1,070,557.38 and 431,588.93

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Solution

The fourth proportional to 775,834.36, 1,070,557.38 and 431,588.93 is: 595,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,834.36 : 1,070,557.38 = 431,588.93 : x
  2. Step 2: Convert to fraction form
    775,834.36/1,070,557.38 = 431,588.93/x
  3. Step 3: Cross multiply
    775,834.36x = 1,070,557.38 × 431,588.93
  4. Step 4: Simplify right side
    775,834.36x = 462,040,708,785.02
  5. Step 5: Solve for x
    x = 462,040,708,785.02/775,834.36
  6. Step 6: Final answer
    x = 595,540.41

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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.