Home / 790,380.86-1,185,793.23-317,398.34

Finding the Fourth Proportional to 790,380.86, 1,185,793.23 and 317,398.34

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Solution

The fourth proportional to 790,380.86, 1,185,793.23 and 317,398.34 is: 476,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,380.86 : 1,185,793.23 = 317,398.34 : x
  2. Step 2: Convert to fraction form
    790,380.86/1,185,793.23 = 317,398.34/x
  3. Step 3: Cross multiply
    790,380.86x = 1,185,793.23 × 317,398.34
  4. Step 4: Simplify right side
    790,380.86x = 376,368,802,785.24
  5. Step 5: Solve for x
    x = 376,368,802,785.24/790,380.86
  6. Step 6: Final answer
    x = 476,186.64

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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.