Home / 571,968.15-857,788.20-172,512.60

Finding the Fourth Proportional to 571,968.15, 857,788.20 and 172,512.60

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Solution

The fourth proportional to 571,968.15, 857,788.20 and 172,512.60 is: 258,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,968.15 : 857,788.20 = 172,512.60 : x
  2. Step 2: Convert to fraction form
    571,968.15/857,788.20 = 172,512.60/x
  3. Step 3: Cross multiply
    571,968.15x = 857,788.20 × 172,512.60
  4. Step 4: Simplify right side
    571,968.15x = 147,979,272,631.32
  5. Step 5: Solve for x
    x = 147,979,272,631.32/571,968.15
  6. Step 6: Final answer
    x = 258,719.43

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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.