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Finding the Fourth Proportional to 590,363.90, 814,557.62 and 332,190.50

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Solution

The fourth proportional to 590,363.90, 814,557.62 and 332,190.50 is: 458,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,363.90 : 814,557.62 = 332,190.50 : x
  2. Step 2: Convert to fraction form
    590,363.90/814,557.62 = 332,190.50/x
  3. Step 3: Cross multiply
    590,363.90x = 814,557.62 × 332,190.50
  4. Step 4: Simplify right side
    590,363.90x = 270,588,301,405.66
  5. Step 5: Solve for x
    x = 270,588,301,405.66/590,363.90
  6. Step 6: Final answer
    x = 458,341.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.