Home / 758,328.72-1,137,705.66-331,901.70

Finding the Fourth Proportional to 758,328.72, 1,137,705.66 and 331,901.70

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Solution

The fourth proportional to 758,328.72, 1,137,705.66 and 331,901.70 is: 497,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,328.72 : 1,137,705.66 = 331,901.70 : x
  2. Step 2: Convert to fraction form
    758,328.72/1,137,705.66 = 331,901.70/x
  3. Step 3: Cross multiply
    758,328.72x = 1,137,705.66 × 331,901.70
  4. Step 4: Simplify right side
    758,328.72x = 377,606,442,653.62
  5. Step 5: Solve for x
    x = 377,606,442,653.62/758,328.72
  6. Step 6: Final answer
    x = 497,945.59

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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.