Home / 671,931.40-1,006,514.70-339,694.60

Finding the Fourth Proportional to 671,931.40, 1,006,514.70 and 339,694.60

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Solution

The fourth proportional to 671,931.40, 1,006,514.70 and 339,694.60 is: 508,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,931.40 : 1,006,514.70 = 339,694.60 : x
  2. Step 2: Convert to fraction form
    671,931.40/1,006,514.70 = 339,694.60/x
  3. Step 3: Cross multiply
    671,931.40x = 1,006,514.70 × 339,694.60
  4. Step 4: Simplify right side
    671,931.40x = 341,907,608,410.62
  5. Step 5: Solve for x
    x = 341,907,608,410.62/671,931.40
  6. Step 6: Final answer
    x = 508,843.03

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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.