Home / 579,804.26-869,788.43-180,485.39

Finding the Fourth Proportional to 579,804.26, 869,788.43 and 180,485.39

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Solution

The fourth proportional to 579,804.26, 869,788.43 and 180,485.39 is: 270,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,804.26 : 869,788.43 = 180,485.39 : x
  2. Step 2: Convert to fraction form
    579,804.26/869,788.43 = 180,485.39/x
  3. Step 3: Cross multiply
    579,804.26x = 869,788.43 × 180,485.39
  4. Step 4: Simplify right side
    579,804.26x = 156,984,098,754.67
  5. Step 5: Solve for x
    x = 156,984,098,754.67/579,804.26
  6. Step 6: Final answer
    x = 270,753.62

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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.