Home / 757,944.61-1,137,048.26-308,909.77

Finding the Fourth Proportional to 757,944.61, 1,137,048.26 and 308,909.77

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Solution

The fourth proportional to 757,944.61, 1,137,048.26 and 308,909.77 is: 463,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,944.61 : 1,137,048.26 = 308,909.77 : x
  2. Step 2: Convert to fraction form
    757,944.61/1,137,048.26 = 308,909.77/x
  3. Step 3: Cross multiply
    757,944.61x = 1,137,048.26 × 308,909.77
  4. Step 4: Simplify right side
    757,944.61x = 351,245,318,545.85
  5. Step 5: Solve for x
    x = 351,245,318,545.85/757,944.61
  6. Step 6: Final answer
    x = 463,418.19

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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.