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Finding the Fourth Proportional to 589,404, 884,106 and 215,427

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Solution

The fourth proportional to 589,404, 884,106 and 215,427 is: 323,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,404 : 884,106 = 215,427 : x
  2. Step 2: Convert to fraction form
    589,404/884,106 = 215,427/x
  3. Step 3: Cross multiply
    589,404x = 884,106 × 215,427
  4. Step 4: Simplify right side
    589,404x = 190,460,303,262
  5. Step 5: Solve for x
    x = 190,460,303,262/589,404
  6. Step 6: Final answer
    x = 323,140.50

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Double scale
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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.