Home / 808,662.36-1,212,976.98-359,261.40

Finding the Fourth Proportional to 808,662.36, 1,212,976.98 and 359,261.40

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Solution

The fourth proportional to 808,662.36, 1,212,976.98 and 359,261.40 is: 538,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,662.36 : 1,212,976.98 = 359,261.40 : x
  2. Step 2: Convert to fraction form
    808,662.36/1,212,976.98 = 359,261.40/x
  3. Step 3: Cross multiply
    808,662.36x = 1,212,976.98 × 359,261.40
  4. Step 4: Simplify right side
    808,662.36x = 435,775,808,002.57
  5. Step 5: Solve for x
    x = 435,775,808,002.57/808,662.36
  6. Step 6: Final answer
    x = 538,884.74

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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.