Home / 571,878.35-857,823.68-172,522.58

Finding the Fourth Proportional to 571,878.35, 857,823.68 and 172,522.58

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Solution

The fourth proportional to 571,878.35, 857,823.68 and 172,522.58 is: 258,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,878.35 : 857,823.68 = 172,522.58 : x
  2. Step 2: Convert to fraction form
    571,878.35/857,823.68 = 172,522.58/x
  3. Step 3: Cross multiply
    571,878.35x = 857,823.68 × 172,522.58
  4. Step 4: Simplify right side
    571,878.35x = 147,993,954,458.69
  5. Step 5: Solve for x
    x = 147,993,954,458.69/571,878.35
  6. Step 6: Final answer
    x = 258,785.73

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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.