Home / 726,002.26-1,001,907.46-399,329.10

Finding the Fourth Proportional to 726,002.26, 1,001,907.46 and 399,329.10

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Solution

The fourth proportional to 726,002.26, 1,001,907.46 and 399,329.10 is: 551,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,002.26 : 1,001,907.46 = 399,329.10 : x
  2. Step 2: Convert to fraction form
    726,002.26/1,001,907.46 = 399,329.10/x
  3. Step 3: Cross multiply
    726,002.26x = 1,001,907.46 × 399,329.10
  4. Step 4: Simplify right side
    726,002.26x = 400,090,804,285.09
  5. Step 5: Solve for x
    x = 400,090,804,285.09/726,002.26
  6. Step 6: Final answer
    x = 551,087.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.