Home / 904,909.80-1,356,500.70-336,138.60

Finding the Fourth Proportional to 904,909.80, 1,356,500.70 and 336,138.60

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Solution

The fourth proportional to 904,909.80, 1,356,500.70 and 336,138.60 is: 503,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,909.80 : 1,356,500.70 = 336,138.60 : x
  2. Step 2: Convert to fraction form
    904,909.80/1,356,500.70 = 336,138.60/x
  3. Step 3: Cross multiply
    904,909.80x = 1,356,500.70 × 336,138.60
  4. Step 4: Simplify right side
    904,909.80x = 455,972,246,197.02
  5. Step 5: Solve for x
    x = 455,972,246,197.02/904,909.80
  6. Step 6: Final answer
    x = 503,886.96

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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.