Home / 811,269.70-1,216,904.55-733,855.30

Finding the Fourth Proportional to 811,269.70, 1,216,904.55 and 733,855.30

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Solution

The fourth proportional to 811,269.70, 1,216,904.55 and 733,855.30 is: 1,100,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,269.70 : 1,216,904.55 = 733,855.30 : x
  2. Step 2: Convert to fraction form
    811,269.70/1,216,904.55 = 733,855.30/x
  3. Step 3: Cross multiply
    811,269.70x = 1,216,904.55 × 733,855.30
  4. Step 4: Simplify right side
    811,269.70x = 893,031,853,611.62
  5. Step 5: Solve for x
    x = 893,031,853,611.62/811,269.70
  6. Step 6: Final answer
    x = 1,100,782.95

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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.