Home / 788,954.40-1,183,431.60-662,983.20

Finding the Fourth Proportional to 788,954.40, 1,183,431.60 and 662,983.20

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Solution

The fourth proportional to 788,954.40, 1,183,431.60 and 662,983.20 is: 994,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,954.40 : 1,183,431.60 = 662,983.20 : x
  2. Step 2: Convert to fraction form
    788,954.40/1,183,431.60 = 662,983.20/x
  3. Step 3: Cross multiply
    788,954.40x = 1,183,431.60 × 662,983.20
  4. Step 4: Simplify right side
    788,954.40x = 784,595,269,149.12
  5. Step 5: Solve for x
    x = 784,595,269,149.12/788,954.40
  6. Step 6: Final answer
    x = 994,474.80

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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.