Home / 958,021.20-1,436,513.40-397,112.40

Finding the Fourth Proportional to 958,021.20, 1,436,513.40 and 397,112.40

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Solution

The fourth proportional to 958,021.20, 1,436,513.40 and 397,112.40 is: 595,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,021.20 : 1,436,513.40 = 397,112.40 : x
  2. Step 2: Convert to fraction form
    958,021.20/1,436,513.40 = 397,112.40/x
  3. Step 3: Cross multiply
    958,021.20x = 1,436,513.40 × 397,112.40
  4. Step 4: Simplify right side
    958,021.20x = 570,457,283,906.16
  5. Step 5: Solve for x
    x = 570,457,283,906.16/958,021.20
  6. Step 6: Final answer
    x = 595,453.72

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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.