Home / 764,378.63-1,146,705.85-314,854.15

Finding the Fourth Proportional to 764,378.63, 1,146,705.85 and 314,854.15

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Solution

The fourth proportional to 764,378.63, 1,146,705.85 and 314,854.15 is: 472,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,378.63 : 1,146,705.85 = 314,854.15 : x
  2. Step 2: Convert to fraction form
    764,378.63/1,146,705.85 = 314,854.15/x
  3. Step 3: Cross multiply
    764,378.63x = 1,146,705.85 × 314,854.15
  4. Step 4: Simplify right side
    764,378.63x = 361,045,093,228.58
  5. Step 5: Solve for x
    x = 361,045,093,228.58/764,378.63
  6. Step 6: Final answer
    x = 472,338.02

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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.