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Finding the Fourth Proportional to 590,201.71, 885,582.65 and 305,839.13

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Solution

The fourth proportional to 590,201.71, 885,582.65 and 305,839.13 is: 458,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,201.71 : 885,582.65 = 305,839.13 : x
  2. Step 2: Convert to fraction form
    590,201.71/885,582.65 = 305,839.13/x
  3. Step 3: Cross multiply
    590,201.71x = 885,582.65 × 305,839.13
  4. Step 4: Simplify right side
    590,201.71x = 270,845,823,555.78
  5. Step 5: Solve for x
    x = 270,845,823,555.78/590,201.71
  6. Step 6: Final answer
    x = 458,903.83

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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.