Home / 803,512.15-1,205,264.97-291,057.34

Finding the Fourth Proportional to 803,512.15, 1,205,264.97 and 291,057.34

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Solution

The fourth proportional to 803,512.15, 1,205,264.97 and 291,057.34 is: 436,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,512.15 : 1,205,264.97 = 291,057.34 : x
  2. Step 2: Convert to fraction form
    803,512.15/1,205,264.97 = 291,057.34/x
  3. Step 3: Cross multiply
    803,512.15x = 1,205,264.97 × 291,057.34
  4. Step 4: Simplify right side
    803,512.15x = 350,801,217,669.96
  5. Step 5: Solve for x
    x = 350,801,217,669.96/803,512.15
  6. Step 6: Final answer
    x = 436,584.84

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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.