Home / 747,074.43-1,030,960.56-407,540.25

Finding the Fourth Proportional to 747,074.43, 1,030,960.56 and 407,540.25

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Solution

The fourth proportional to 747,074.43, 1,030,960.56 and 407,540.25 is: 562,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,074.43 : 1,030,960.56 = 407,540.25 : x
  2. Step 2: Convert to fraction form
    747,074.43/1,030,960.56 = 407,540.25/x
  3. Step 3: Cross multiply
    747,074.43x = 1,030,960.56 × 407,540.25
  4. Step 4: Simplify right side
    747,074.43x = 420,157,924,362.54
  5. Step 5: Solve for x
    x = 420,157,924,362.54/747,074.43
  6. Step 6: Final answer
    x = 562,404.37

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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.