Home / 904,844.86-1,357,299.78-455,320.96

Finding the Fourth Proportional to 904,844.86, 1,357,299.78 and 455,320.96

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Solution

The fourth proportional to 904,844.86, 1,357,299.78 and 455,320.96 is: 682,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,844.86 : 1,357,299.78 = 455,320.96 : x
  2. Step 2: Convert to fraction form
    904,844.86/1,357,299.78 = 455,320.96/x
  3. Step 3: Cross multiply
    904,844.86x = 1,357,299.78 × 455,320.96
  4. Step 4: Simplify right side
    904,844.86x = 618,007,038,837.39
  5. Step 5: Solve for x
    x = 618,007,038,837.39/904,844.86
  6. Step 6: Final answer
    x = 682,997.79

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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.