Home / 779,081.93-1,170,677.82-419,518.62

Finding the Fourth Proportional to 779,081.93, 1,170,677.82 and 419,518.62

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Solution

The fourth proportional to 779,081.93, 1,170,677.82 and 419,518.62 is: 630,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,081.93 : 1,170,677.82 = 419,518.62 : x
  2. Step 2: Convert to fraction form
    779,081.93/1,170,677.82 = 419,518.62/x
  3. Step 3: Cross multiply
    779,081.93x = 1,170,677.82 × 419,518.62
  4. Step 4: Simplify right side
    779,081.93x = 491,121,143,511.01
  5. Step 5: Solve for x
    x = 491,121,143,511.01/779,081.93
  6. Step 6: Final answer
    x = 630,384.47

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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.