Home / 904,902.80-1,356,490.20-336,131.60

Finding the Fourth Proportional to 904,902.80, 1,356,490.20 and 336,131.60

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Solution

The fourth proportional to 904,902.80, 1,356,490.20 and 336,131.60 is: 503,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,902.80 : 1,356,490.20 = 336,131.60 : x
  2. Step 2: Convert to fraction form
    904,902.80/1,356,490.20 = 336,131.60/x
  3. Step 3: Cross multiply
    904,902.80x = 1,356,490.20 × 336,131.60
  4. Step 4: Simplify right side
    904,902.80x = 455,959,221,310.32
  5. Step 5: Solve for x
    x = 455,959,221,310.32/904,902.80
  6. Step 6: Final answer
    x = 503,876.46

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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.