Home / 756,503.33-1,134,136.64-351,947.72

Finding the Fourth Proportional to 756,503.33, 1,134,136.64 and 351,947.72

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Solution

The fourth proportional to 756,503.33, 1,134,136.64 and 351,947.72 is: 527,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,503.33 : 1,134,136.64 = 351,947.72 : x
  2. Step 2: Convert to fraction form
    756,503.33/1,134,136.64 = 351,947.72/x
  3. Step 3: Cross multiply
    756,503.33x = 1,134,136.64 × 351,947.72
  4. Step 4: Simplify right side
    756,503.33x = 399,156,797,186.04
  5. Step 5: Solve for x
    x = 399,156,797,186.04/756,503.33
  6. Step 6: Final answer
    x = 527,633.90

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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.