Home / 758,322.72-1,137,696.66-331,895.70

Finding the Fourth Proportional to 758,322.72, 1,137,696.66 and 331,895.70

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Solution

The fourth proportional to 758,322.72, 1,137,696.66 and 331,895.70 is: 497,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,322.72 : 1,137,696.66 = 331,895.70 : x
  2. Step 2: Convert to fraction form
    758,322.72/1,137,696.66 = 331,895.70/x
  3. Step 3: Cross multiply
    758,322.72x = 1,137,696.66 × 331,895.70
  4. Step 4: Simplify right side
    758,322.72x = 377,596,629,358.36
  5. Step 5: Solve for x
    x = 377,596,629,358.36/758,322.72
  6. Step 6: Final answer
    x = 497,936.59

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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.