Home / 764,252.58-1,146,404.40-343,529.67

Finding the Fourth Proportional to 764,252.58, 1,146,404.40 and 343,529.67

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Solution

The fourth proportional to 764,252.58, 1,146,404.40 and 343,529.67 is: 515,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,252.58 : 1,146,404.40 = 343,529.67 : x
  2. Step 2: Convert to fraction form
    764,252.58/1,146,404.40 = 343,529.67/x
  3. Step 3: Cross multiply
    764,252.58x = 1,146,404.40 × 343,529.67
  4. Step 4: Simplify right side
    764,252.58x = 393,823,925,218.55
  5. Step 5: Solve for x
    x = 393,823,925,218.55/764,252.58
  6. Step 6: Final answer
    x = 515,305.98

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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.