Home / 668,181.60-1,002,272.40-628,815.60

Finding the Fourth Proportional to 668,181.60, 1,002,272.40 and 628,815.60

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Solution

The fourth proportional to 668,181.60, 1,002,272.40 and 628,815.60 is: 943,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,181.60 : 1,002,272.40 = 628,815.60 : x
  2. Step 2: Convert to fraction form
    668,181.60/1,002,272.40 = 628,815.60/x
  3. Step 3: Cross multiply
    668,181.60x = 1,002,272.40 × 628,815.60
  4. Step 4: Simplify right side
    668,181.60x = 630,244,520,569.44
  5. Step 5: Solve for x
    x = 630,244,520,569.44/668,181.60
  6. Step 6: Final answer
    x = 943,223.40

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1.5x scale

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.