Home / 915,469.22-1,373,016.12-346,654.15

Finding the Fourth Proportional to 915,469.22, 1,373,016.12 and 346,654.15

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Solution

The fourth proportional to 915,469.22, 1,373,016.12 and 346,654.15 is: 519,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,469.22 : 1,373,016.12 = 346,654.15 : x
  2. Step 2: Convert to fraction form
    915,469.22/1,373,016.12 = 346,654.15/x
  3. Step 3: Cross multiply
    915,469.22x = 1,373,016.12 × 346,654.15
  4. Step 4: Simplify right side
    915,469.22x = 475,961,731,282.41
  5. Step 5: Solve for x
    x = 475,961,731,282.41/915,469.22
  6. Step 6: Final answer
    x = 519,910.14

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1.5x scale

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.