Home / 885,631.68-1,328,467.77-317,051.64

Finding the Fourth Proportional to 885,631.68, 1,328,467.77 and 317,051.64

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Solution

The fourth proportional to 885,631.68, 1,328,467.77 and 317,051.64 is: 475,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,631.68 : 1,328,467.77 = 317,051.64 : x
  2. Step 2: Convert to fraction form
    885,631.68/1,328,467.77 = 317,051.64/x
  3. Step 3: Cross multiply
    885,631.68x = 1,328,467.77 × 317,051.64
  4. Step 4: Simplify right side
    885,631.68x = 421,192,885,165.64
  5. Step 5: Solve for x
    x = 421,192,885,165.64/885,631.68
  6. Step 6: Final answer
    x = 475,584.71

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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.