Home / 885,405.74-1,328,190.01-379,852.74

Finding the Fourth Proportional to 885,405.74, 1,328,190.01 and 379,852.74

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Solution

The fourth proportional to 885,405.74, 1,328,190.01 and 379,852.74 is: 569,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,405.74 : 1,328,190.01 = 379,852.74 : x
  2. Step 2: Convert to fraction form
    885,405.74/1,328,190.01 = 379,852.74/x
  3. Step 3: Cross multiply
    885,405.74x = 1,328,190.01 × 379,852.74
  4. Step 4: Simplify right side
    885,405.74x = 504,516,613,589.50
  5. Step 5: Solve for x
    x = 504,516,613,589.50/885,405.74
  6. Step 6: Final answer
    x = 569,814.03

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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.