Home / 579,331.60-869,062.20-179,969.20

Finding the Fourth Proportional to 579,331.60, 869,062.20 and 179,969.20

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Solution

The fourth proportional to 579,331.60, 869,062.20 and 179,969.20 is: 269,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,331.60 : 869,062.20 = 179,969.20 : x
  2. Step 2: Convert to fraction form
    579,331.60/869,062.20 = 179,969.20/x
  3. Step 3: Cross multiply
    579,331.60x = 869,062.20 × 179,969.20
  4. Step 4: Simplify right side
    579,331.60x = 156,404,428,884.24
  5. Step 5: Solve for x
    x = 156,404,428,884.24/579,331.60
  6. Step 6: Final answer
    x = 269,973.93

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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.