Home / 628,361.92-867,143.20-341,884.16

Finding the Fourth Proportional to 628,361.92, 867,143.20 and 341,884.16

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Solution

The fourth proportional to 628,361.92, 867,143.20 and 341,884.16 is: 471,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,361.92 : 867,143.20 = 341,884.16 : x
  2. Step 2: Convert to fraction form
    628,361.92/867,143.20 = 341,884.16/x
  3. Step 3: Cross multiply
    628,361.92x = 867,143.20 × 341,884.16
  4. Step 4: Simplify right side
    628,361.92x = 296,462,524,531.71
  5. Step 5: Solve for x
    x = 296,462,524,531.71/628,361.92
  6. Step 6: Final answer
    x = 471,802.18

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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.