Home / 579,327.72-869,047.44-179,861.23

Finding the Fourth Proportional to 579,327.72, 869,047.44 and 179,861.23

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Solution

The fourth proportional to 579,327.72, 869,047.44 and 179,861.23 is: 269,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,327.72 : 869,047.44 = 179,861.23 : x
  2. Step 2: Convert to fraction form
    579,327.72/869,047.44 = 179,861.23/x
  3. Step 3: Cross multiply
    579,327.72x = 869,047.44 × 179,861.23
  4. Step 4: Simplify right side
    579,327.72x = 156,307,941,486.75
  5. Step 5: Solve for x
    x = 156,307,941,486.75/579,327.72
  6. Step 6: Final answer
    x = 269,809.19

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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.