Home / 764,078.94-1,146,256.74-251,771.40

Finding the Fourth Proportional to 764,078.94, 1,146,256.74 and 251,771.40

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Solution

The fourth proportional to 764,078.94, 1,146,256.74 and 251,771.40 is: 377,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,078.94 : 1,146,256.74 = 251,771.40 : x
  2. Step 2: Convert to fraction form
    764,078.94/1,146,256.74 = 251,771.40/x
  3. Step 3: Cross multiply
    764,078.94x = 1,146,256.74 × 251,771.40
  4. Step 4: Simplify right side
    764,078.94x = 288,594,664,189.24
  5. Step 5: Solve for x
    x = 288,594,664,189.24/764,078.94
  6. Step 6: Final answer
    x = 377,702.68

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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.