Home / 987,097.74-1,480,676.85-338,664.84

Finding the Fourth Proportional to 987,097.74, 1,480,676.85 and 338,664.84

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Solution

The fourth proportional to 987,097.74, 1,480,676.85 and 338,664.84 is: 508,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,097.74 : 1,480,676.85 = 338,664.84 : x
  2. Step 2: Convert to fraction form
    987,097.74/1,480,676.85 = 338,664.84/x
  3. Step 3: Cross multiply
    987,097.74x = 1,480,676.85 × 338,664.84
  4. Step 4: Simplify right side
    987,097.74x = 501,453,188,496.95
  5. Step 5: Solve for x
    x = 501,453,188,496.95/987,097.74
  6. Step 6: Final answer
    x = 508,007.64

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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.