Home / 904,538.86-1,356,838.27-455,014.78

Finding the Fourth Proportional to 904,538.86, 1,356,838.27 and 455,014.78

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Solution

The fourth proportional to 904,538.86, 1,356,838.27 and 455,014.78 is: 682,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,538.86 : 1,356,838.27 = 455,014.78 : x
  2. Step 2: Convert to fraction form
    904,538.86/1,356,838.27 = 455,014.78/x
  3. Step 3: Cross multiply
    904,538.86x = 1,356,838.27 × 455,014.78
  4. Step 4: Simplify right side
    904,538.86x = 617,381,462,390.00
  5. Step 5: Solve for x
    x = 617,381,462,390.00/904,538.86
  6. Step 6: Final answer
    x = 682,537.25

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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.