Home / 668,200.90-1,002,301.36-313,906.90

Finding the Fourth Proportional to 668,200.90, 1,002,301.36 and 313,906.90

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Solution

The fourth proportional to 668,200.90, 1,002,301.36 and 313,906.90 is: 470,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,200.90 : 1,002,301.36 = 313,906.90 : x
  2. Step 2: Convert to fraction form
    668,200.90/1,002,301.36 = 313,906.90/x
  3. Step 3: Cross multiply
    668,200.90x = 1,002,301.36 × 313,906.90
  4. Step 4: Simplify right side
    668,200.90x = 314,629,312,783.38
  5. Step 5: Solve for x
    x = 314,629,312,783.38/668,200.90
  6. Step 6: Final answer
    x = 470,860.35

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Similar ratio
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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.