Home / 904,539.62-1,356,839.39-455,015.54

Finding the Fourth Proportional to 904,539.62, 1,356,839.39 and 455,015.54

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Solution

The fourth proportional to 904,539.62, 1,356,839.39 and 455,015.54 is: 682,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,539.62 : 1,356,839.39 = 455,015.54 : x
  2. Step 2: Convert to fraction form
    904,539.62/1,356,839.39 = 455,015.54/x
  3. Step 3: Cross multiply
    904,539.62x = 1,356,839.39 × 455,015.54
  4. Step 4: Simplify right side
    904,539.62x = 617,382,998,674.85
  5. Step 5: Solve for x
    x = 617,382,998,674.85/904,539.62
  6. Step 6: Final answer
    x = 682,538.37

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1.5x scale

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.