Home / 772,743.90-1,158,824.68-323,495.83

Finding the Fourth Proportional to 772,743.90, 1,158,824.68 and 323,495.83

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Solution

The fourth proportional to 772,743.90, 1,158,824.68 and 323,495.83 is: 485,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,743.90 : 1,158,824.68 = 323,495.83 : x
  2. Step 2: Convert to fraction form
    772,743.90/1,158,824.68 = 323,495.83/x
  3. Step 3: Cross multiply
    772,743.90x = 1,158,824.68 × 323,495.83
  4. Step 4: Simplify right side
    772,743.90x = 374,874,951,681.08
  5. Step 5: Solve for x
    x = 374,874,951,681.08/772,743.90
  6. Step 6: Final answer
    x = 485,121.85

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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.