Home / 842,590.20-1,263,885.30-368,772.60

Finding the Fourth Proportional to 842,590.20, 1,263,885.30 and 368,772.60

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Solution

The fourth proportional to 842,590.20, 1,263,885.30 and 368,772.60 is: 553,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,590.20 : 1,263,885.30 = 368,772.60 : x
  2. Step 2: Convert to fraction form
    842,590.20/1,263,885.30 = 368,772.60/x
  3. Step 3: Cross multiply
    842,590.20x = 1,263,885.30 × 368,772.60
  4. Step 4: Simplify right side
    842,590.20x = 466,086,268,182.78
  5. Step 5: Solve for x
    x = 466,086,268,182.78/842,590.20
  6. Step 6: Final answer
    x = 553,158.90

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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.