Home / 747,361.50-1,031,380.77-407,851.62

Finding the Fourth Proportional to 747,361.50, 1,031,380.77 and 407,851.62

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Solution

The fourth proportional to 747,361.50, 1,031,380.77 and 407,851.62 is: 562,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,361.50 : 1,031,380.77 = 407,851.62 : x
  2. Step 2: Convert to fraction form
    747,361.50/1,031,380.77 = 407,851.62/x
  3. Step 3: Cross multiply
    747,361.50x = 1,031,380.77 × 407,851.62
  4. Step 4: Simplify right side
    747,361.50x = 420,650,317,881.35
  5. Step 5: Solve for x
    x = 420,650,317,881.35/747,361.50
  6. Step 6: Final answer
    x = 562,847.19

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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.