Home / 747,361.56-1,031,380.74-407,851.68

Finding the Fourth Proportional to 747,361.56, 1,031,380.74 and 407,851.68

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Solution

The fourth proportional to 747,361.56, 1,031,380.74 and 407,851.68 is: 562,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,361.56 : 1,031,380.74 = 407,851.68 : x
  2. Step 2: Convert to fraction form
    747,361.56/1,031,380.74 = 407,851.68/x
  3. Step 3: Cross multiply
    747,361.56x = 1,031,380.74 × 407,851.68
  4. Step 4: Simplify right side
    747,361.56x = 420,650,367,528.64
  5. Step 5: Solve for x
    x = 420,650,367,528.64/747,361.56
  6. Step 6: Final answer
    x = 562,847.21

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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.