Home / 460,982.16-691,735.68-368,078.40

Finding the Fourth Proportional to 460,982.16, 691,735.68 and 368,078.40

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Solution

The fourth proportional to 460,982.16, 691,735.68 and 368,078.40 is: 552,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,982.16 : 691,735.68 = 368,078.40 : x
  2. Step 2: Convert to fraction form
    460,982.16/691,735.68 = 368,078.40/x
  3. Step 3: Cross multiply
    460,982.16x = 691,735.68 × 368,078.40
  4. Step 4: Simplify right side
    460,982.16x = 254,612,962,317.31
  5. Step 5: Solve for x
    x = 254,612,962,317.31/460,982.16
  6. Step 6: Final answer
    x = 552,327.15

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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.