Home / 692,220.38-1,038,330.60-186,781.36

Finding the Fourth Proportional to 692,220.38, 1,038,330.60 and 186,781.36

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Solution

The fourth proportional to 692,220.38, 1,038,330.60 and 186,781.36 is: 280,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,220.38 : 1,038,330.60 = 186,781.36 : x
  2. Step 2: Convert to fraction form
    692,220.38/1,038,330.60 = 186,781.36/x
  3. Step 3: Cross multiply
    692,220.38x = 1,038,330.60 × 186,781.36
  4. Step 4: Simplify right side
    692,220.38x = 193,940,801,597.62
  5. Step 5: Solve for x
    x = 193,940,801,597.62/692,220.38
  6. Step 6: Final answer
    x = 280,172.05

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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.