Home / 764,233.10-1,143,628.05-665,477.90

Finding the Fourth Proportional to 764,233.10, 1,143,628.05 and 665,477.90

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Solution

The fourth proportional to 764,233.10, 1,143,628.05 and 665,477.90 is: 995,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,233.10 : 1,143,628.05 = 665,477.90 : x
  2. Step 2: Convert to fraction form
    764,233.10/1,143,628.05 = 665,477.90/x
  3. Step 3: Cross multiply
    764,233.10x = 1,143,628.05 × 665,477.90
  4. Step 4: Simplify right side
    764,233.10x = 761,059,193,095.10
  5. Step 5: Solve for x
    x = 761,059,193,095.10/764,233.10
  6. Step 6: Final answer
    x = 995,846.94

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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.