Home / 987,599.57-1,481,399.40-277,627.68

Finding the Fourth Proportional to 987,599.57, 1,481,399.40 and 277,627.68

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Solution

The fourth proportional to 987,599.57, 1,481,399.40 and 277,627.68 is: 416,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,599.57 : 1,481,399.40 = 277,627.68 : x
  2. Step 2: Convert to fraction form
    987,599.57/1,481,399.40 = 277,627.68/x
  3. Step 3: Cross multiply
    987,599.57x = 1,481,399.40 × 277,627.68
  4. Step 4: Simplify right side
    987,599.57x = 411,277,478,575.39
  5. Step 5: Solve for x
    x = 411,277,478,575.39/987,599.57
  6. Step 6: Final answer
    x = 416,441.53

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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.