Home / 904,843.86-1,357,298.28-455,319.96

Finding the Fourth Proportional to 904,843.86, 1,357,298.28 and 455,319.96

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Solution

The fourth proportional to 904,843.86, 1,357,298.28 and 455,319.96 is: 682,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,843.86 : 1,357,298.28 = 455,319.96 : x
  2. Step 2: Convert to fraction form
    904,843.86/1,357,298.28 = 455,319.96/x
  3. Step 3: Cross multiply
    904,843.86x = 1,357,298.28 × 455,319.96
  4. Step 4: Simplify right side
    904,843.86x = 618,004,998,557.67
  5. Step 5: Solve for x
    x = 618,004,998,557.67/904,843.86
  6. Step 6: Final answer
    x = 682,996.29

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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.