Home / 996,930.60-1,495,395.90-397,984.20

Finding the Fourth Proportional to 996,930.60, 1,495,395.90 and 397,984.20

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Solution

The fourth proportional to 996,930.60, 1,495,395.90 and 397,984.20 is: 596,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,930.60 : 1,495,395.90 = 397,984.20 : x
  2. Step 2: Convert to fraction form
    996,930.60/1,495,395.90 = 397,984.20/x
  3. Step 3: Cross multiply
    996,930.60x = 1,495,395.90 × 397,984.20
  4. Step 4: Simplify right side
    996,930.60x = 595,143,940,944.78
  5. Step 5: Solve for x
    x = 595,143,940,944.78/996,930.60
  6. Step 6: Final answer
    x = 596,976.30

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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.