Home / 996,815.80-1,495,442.40-322,782.40

Finding the Fourth Proportional to 996,815.80, 1,495,442.40 and 322,782.40

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Solution

The fourth proportional to 996,815.80, 1,495,442.40 and 322,782.40 is: 484,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,815.80 : 1,495,442.40 = 322,782.40 : x
  2. Step 2: Convert to fraction form
    996,815.80/1,495,442.40 = 322,782.40/x
  3. Step 3: Cross multiply
    996,815.80x = 1,495,442.40 × 322,782.40
  4. Step 4: Simplify right side
    996,815.80x = 482,702,486,933.76
  5. Step 5: Solve for x
    x = 482,702,486,933.76/996,815.80
  6. Step 6: Final answer
    x = 484,244.42

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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.