Home / 904,116.80-1,355,311.20-335,345.60

Finding the Fourth Proportional to 904,116.80, 1,355,311.20 and 335,345.60

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Solution

The fourth proportional to 904,116.80, 1,355,311.20 and 335,345.60 is: 502,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,116.80 : 1,355,311.20 = 335,345.60 : x
  2. Step 2: Convert to fraction form
    904,116.80/1,355,311.20 = 335,345.60/x
  3. Step 3: Cross multiply
    904,116.80x = 1,355,311.20 × 335,345.60
  4. Step 4: Simplify right side
    904,116.80x = 454,497,647,550.72
  5. Step 5: Solve for x
    x = 454,497,647,550.72/904,116.80
  6. Step 6: Final answer
    x = 502,697.93

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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.