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Finding the Fourth Proportional to 682,019, 940,795.54 and 426,927.32

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Solution

The fourth proportional to 682,019, 940,795.54 and 426,927.32 is: 588,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,019 : 940,795.54 = 426,927.32 : x
  2. Step 2: Convert to fraction form
    682,019/940,795.54 = 426,927.32/x
  3. Step 3: Cross multiply
    682,019x = 940,795.54 × 426,927.32
  4. Step 4: Simplify right side
    682,019x = 401,651,318,560.15
  5. Step 5: Solve for x
    x = 401,651,318,560.15/682,019
  6. Step 6: Final answer
    x = 588,915.15

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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.