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Finding the Fourth Proportional to 650,648.55, 974,551.41 and 270,416.46

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Solution

The fourth proportional to 650,648.55, 974,551.41 and 270,416.46 is: 405,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,648.55 : 974,551.41 = 270,416.46 : x
  2. Step 2: Convert to fraction form
    650,648.55/974,551.41 = 270,416.46/x
  3. Step 3: Cross multiply
    650,648.55x = 974,551.41 × 270,416.46
  4. Step 4: Simplify right side
    650,648.55x = 263,534,742,380.21
  5. Step 5: Solve for x
    x = 263,534,742,380.21/650,648.55
  6. Step 6: Final answer
    x = 405,033.93

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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.