Home / 714,550.53-1,071,010.46-287,813.22

Finding the Fourth Proportional to 714,550.53, 1,071,010.46 and 287,813.22

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Solution

The fourth proportional to 714,550.53, 1,071,010.46 and 287,813.22 is: 431,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,550.53 : 1,071,010.46 = 287,813.22 : x
  2. Step 2: Convert to fraction form
    714,550.53/1,071,010.46 = 287,813.22/x
  3. Step 3: Cross multiply
    714,550.53x = 1,071,010.46 × 287,813.22
  4. Step 4: Simplify right side
    714,550.53x = 308,250,967,707.22
  5. Step 5: Solve for x
    x = 308,250,967,707.22/714,550.53
  6. Step 6: Final answer
    x = 431,391.42

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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.