Home / 879,148.22-1,317,817.88-399,709.52

Finding the Fourth Proportional to 879,148.22, 1,317,817.88 and 399,709.52

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Solution

The fourth proportional to 879,148.22, 1,317,817.88 and 399,709.52 is: 599,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,148.22 : 1,317,817.88 = 399,709.52 : x
  2. Step 2: Convert to fraction form
    879,148.22/1,317,817.88 = 399,709.52/x
  3. Step 3: Cross multiply
    879,148.22x = 1,317,817.88 × 399,709.52
  4. Step 4: Simplify right side
    879,148.22x = 526,744,352,262.22
  5. Step 5: Solve for x
    x = 526,744,352,262.22/879,148.22
  6. Step 6: Final answer
    x = 599,153.07

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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.