Home / 923,322.60-1,383,428.70-448,986.60

Finding the Fourth Proportional to 923,322.60, 1,383,428.70 and 448,986.60

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Solution

The fourth proportional to 923,322.60, 1,383,428.70 and 448,986.60 is: 672,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,322.60 : 1,383,428.70 = 448,986.60 : x
  2. Step 2: Convert to fraction form
    923,322.60/1,383,428.70 = 448,986.60/x
  3. Step 3: Cross multiply
    923,322.60x = 1,383,428.70 × 448,986.60
  4. Step 4: Simplify right side
    923,322.60x = 621,140,948,355.42
  5. Step 5: Solve for x
    x = 621,140,948,355.42/923,322.60
  6. Step 6: Final answer
    x = 672,723.65

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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.