Home / 747,357.48-1,031,375.26-407,847.64

Finding the Fourth Proportional to 747,357.48, 1,031,375.26 and 407,847.64

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Solution

The fourth proportional to 747,357.48, 1,031,375.26 and 407,847.64 is: 562,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,357.48 : 1,031,375.26 = 407,847.64 : x
  2. Step 2: Convert to fraction form
    747,357.48/1,031,375.26 = 407,847.64/x
  3. Step 3: Cross multiply
    747,357.48x = 1,031,375.26 × 407,847.64
  4. Step 4: Simplify right side
    747,357.48x = 420,643,965,745.39
  5. Step 5: Solve for x
    x = 420,643,965,745.39/747,357.48
  6. Step 6: Final answer
    x = 562,841.71

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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.