Home / 683,723.43-1,024,885.22-346,138.11

Finding the Fourth Proportional to 683,723.43, 1,024,885.22 and 346,138.11

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Solution

The fourth proportional to 683,723.43, 1,024,885.22 and 346,138.11 is: 518,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,723.43 : 1,024,885.22 = 346,138.11 : x
  2. Step 2: Convert to fraction form
    683,723.43/1,024,885.22 = 346,138.11/x
  3. Step 3: Cross multiply
    683,723.43x = 1,024,885.22 × 346,138.11
  4. Step 4: Simplify right side
    683,723.43x = 354,751,831,287.04
  5. Step 5: Solve for x
    x = 354,751,831,287.04/683,723.43
  6. Step 6: Final answer
    x = 518,852.82

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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.