Home / 699,914.92-1,051,136.94-643,651.24

Finding the Fourth Proportional to 699,914.92, 1,051,136.94 and 643,651.24

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Solution

The fourth proportional to 699,914.92, 1,051,136.94 and 643,651.24 is: 966,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,914.92 : 1,051,136.94 = 643,651.24 : x
  2. Step 2: Convert to fraction form
    699,914.92/1,051,136.94 = 643,651.24/x
  3. Step 3: Cross multiply
    699,914.92x = 1,051,136.94 × 643,651.24
  4. Step 4: Simplify right side
    699,914.92x = 676,565,594,840.81
  5. Step 5: Solve for x
    x = 676,565,594,840.81/699,914.92
  6. Step 6: Final answer
    x = 966,639.77

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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.