Home / 744,672.96-1,116,640.44-264,828.78

Finding the Fourth Proportional to 744,672.96, 1,116,640.44 and 264,828.78

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Solution

The fourth proportional to 744,672.96, 1,116,640.44 and 264,828.78 is: 397,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,672.96 : 1,116,640.44 = 264,828.78 : x
  2. Step 2: Convert to fraction form
    744,672.96/1,116,640.44 = 264,828.78/x
  3. Step 3: Cross multiply
    744,672.96x = 1,116,640.44 × 264,828.78
  4. Step 4: Simplify right side
    744,672.96x = 295,718,525,423.86
  5. Step 5: Solve for x
    x = 295,718,525,423.86/744,672.96
  6. Step 6: Final answer
    x = 397,111.94

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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.