Home / 699,642.92-1,049,464.32-665,648.84

Finding the Fourth Proportional to 699,642.92, 1,049,464.32 and 665,648.84

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Solution

The fourth proportional to 699,642.92, 1,049,464.32 and 665,648.84 is: 998,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,642.92 : 1,049,464.32 = 665,648.84 : x
  2. Step 2: Convert to fraction form
    699,642.92/1,049,464.32 = 665,648.84/x
  3. Step 3: Cross multiply
    699,642.92x = 1,049,464.32 × 665,648.84
  4. Step 4: Simplify right side
    699,642.92x = 698,574,707,229.39
  5. Step 5: Solve for x
    x = 698,574,707,229.39/699,642.92
  6. Step 6: Final answer
    x = 998,473.20

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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.