Home / 758,299.32-1,137,445.74-308,919.96

Finding the Fourth Proportional to 758,299.32, 1,137,445.74 and 308,919.96

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Solution

The fourth proportional to 758,299.32, 1,137,445.74 and 308,919.96 is: 463,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,299.32 : 1,137,445.74 = 308,919.96 : x
  2. Step 2: Convert to fraction form
    758,299.32/1,137,445.74 = 308,919.96/x
  3. Step 3: Cross multiply
    758,299.32x = 1,137,445.74 × 308,919.96
  4. Step 4: Simplify right side
    758,299.32x = 351,379,692,502.97
  5. Step 5: Solve for x
    x = 351,379,692,502.97/758,299.32
  6. Step 6: Final answer
    x = 463,378.62

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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.