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Finding the Fourth Proportional to 590,580.28, 815,252.70 and 397,100.14

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Solution

The fourth proportional to 590,580.28, 815,252.70 and 397,100.14 is: 548,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,580.28 : 815,252.70 = 397,100.14 : x
  2. Step 2: Convert to fraction form
    590,580.28/815,252.70 = 397,100.14/x
  3. Step 3: Cross multiply
    590,580.28x = 815,252.70 × 397,100.14
  4. Step 4: Simplify right side
    590,580.28x = 323,736,958,522.68
  5. Step 5: Solve for x
    x = 323,736,958,522.68/590,580.28
  6. Step 6: Final answer
    x = 548,167.57

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1.5x scale

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.