Home / 778,508.03-1,074,367.58-451,795.88

Finding the Fourth Proportional to 778,508.03, 1,074,367.58 and 451,795.88

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Solution

The fourth proportional to 778,508.03, 1,074,367.58 and 451,795.88 is: 623,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,508.03 : 1,074,367.58 = 451,795.88 : x
  2. Step 2: Convert to fraction form
    778,508.03/1,074,367.58 = 451,795.88/x
  3. Step 3: Cross multiply
    778,508.03x = 1,074,367.58 × 451,795.88
  4. Step 4: Simplify right side
    778,508.03x = 485,394,838,618.75
  5. Step 5: Solve for x
    x = 485,394,838,618.75/778,508.03
  6. Step 6: Final answer
    x = 623,493.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.