Home / 890,919.65-1,336,053.47-322,164.33

Finding the Fourth Proportional to 890,919.65, 1,336,053.47 and 322,164.33

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Solution

The fourth proportional to 890,919.65, 1,336,053.47 and 322,164.33 is: 483,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,919.65 : 1,336,053.47 = 322,164.33 : x
  2. Step 2: Convert to fraction form
    890,919.65/1,336,053.47 = 322,164.33/x
  3. Step 3: Cross multiply
    890,919.65x = 1,336,053.47 × 322,164.33
  4. Step 4: Simplify right side
    890,919.65x = 430,428,771,006.73
  5. Step 5: Solve for x
    x = 430,428,771,006.73/890,919.65
  6. Step 6: Final answer
    x = 483,128.61

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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.