Home / 779,083.62-1,170,680.35-419,520.32

Finding the Fourth Proportional to 779,083.62, 1,170,680.35 and 419,520.32

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Solution

The fourth proportional to 779,083.62, 1,170,680.35 and 419,520.32 is: 630,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,083.62 : 1,170,680.35 = 419,520.32 : x
  2. Step 2: Convert to fraction form
    779,083.62/1,170,680.35 = 419,520.32/x
  3. Step 3: Cross multiply
    779,083.62x = 1,170,680.35 × 419,520.32
  4. Step 4: Simplify right side
    779,083.62x = 491,124,195,049.71
  5. Step 5: Solve for x
    x = 491,124,195,049.71/779,083.62
  6. Step 6: Final answer
    x = 630,387.01

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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.