Home / 936,064.42-1,403,828.79-305,033.38

Finding the Fourth Proportional to 936,064.42, 1,403,828.79 and 305,033.38

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Solution

The fourth proportional to 936,064.42, 1,403,828.79 and 305,033.38 is: 457,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,064.42 : 1,403,828.79 = 305,033.38 : x
  2. Step 2: Convert to fraction form
    936,064.42/1,403,828.79 = 305,033.38/x
  3. Step 3: Cross multiply
    936,064.42x = 1,403,828.79 × 305,033.38
  4. Step 4: Simplify right side
    936,064.42x = 428,214,640,755.01
  5. Step 5: Solve for x
    x = 428,214,640,755.01/936,064.42
  6. Step 6: Final answer
    x = 457,462.79

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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.