Home / 683,144.40-1,024,025.40-402,517.20

Finding the Fourth Proportional to 683,144.40, 1,024,025.40 and 402,517.20

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Solution

The fourth proportional to 683,144.40, 1,024,025.40 and 402,517.20 is: 603,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,144.40 : 1,024,025.40 = 402,517.20 : x
  2. Step 2: Convert to fraction form
    683,144.40/1,024,025.40 = 402,517.20/x
  3. Step 3: Cross multiply
    683,144.40x = 1,024,025.40 × 402,517.20
  4. Step 4: Simplify right side
    683,144.40x = 412,187,836,736.88
  5. Step 5: Solve for x
    x = 412,187,836,736.88/683,144.40
  6. Step 6: Final answer
    x = 603,368.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.