Home / 700,682.44-966,941.74-378,392.51

Finding the Fourth Proportional to 700,682.44, 966,941.74 and 378,392.51

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Solution

The fourth proportional to 700,682.44, 966,941.74 and 378,392.51 is: 522,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,682.44 : 966,941.74 = 378,392.51 : x
  2. Step 2: Convert to fraction form
    700,682.44/966,941.74 = 378,392.51/x
  3. Step 3: Cross multiply
    700,682.44x = 966,941.74 × 378,392.51
  4. Step 4: Simplify right side
    700,682.44x = 365,883,506,241.68
  5. Step 5: Solve for x
    x = 365,883,506,241.68/700,682.44
  6. Step 6: Final answer
    x = 522,181.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.