Home / 904,539.86-1,356,839.77-455,015.78

Finding the Fourth Proportional to 904,539.86, 1,356,839.77 and 455,015.78

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Solution

The fourth proportional to 904,539.86, 1,356,839.77 and 455,015.78 is: 682,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,539.86 : 1,356,839.77 = 455,015.78 : x
  2. Step 2: Convert to fraction form
    904,539.86/1,356,839.77 = 455,015.78/x
  3. Step 3: Cross multiply
    904,539.86x = 1,356,839.77 × 455,015.78
  4. Step 4: Simplify right side
    904,539.86x = 617,383,506,281.57
  5. Step 5: Solve for x
    x = 617,383,506,281.57/904,539.86
  6. Step 6: Final answer
    x = 682,538.75

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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.