Home / 763,318.08-1,145,184.48-230,856.48

Finding the Fourth Proportional to 763,318.08, 1,145,184.48 and 230,856.48

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Solution

The fourth proportional to 763,318.08, 1,145,184.48 and 230,856.48 is: 346,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,318.08 : 1,145,184.48 = 230,856.48 : x
  2. Step 2: Convert to fraction form
    763,318.08/1,145,184.48 = 230,856.48/x
  3. Step 3: Cross multiply
    763,318.08x = 1,145,184.48 × 230,856.48
  4. Step 4: Simplify right side
    763,318.08x = 264,373,258,003.43
  5. Step 5: Solve for x
    x = 264,373,258,003.43/763,318.08
  6. Step 6: Final answer
    x = 346,347.43

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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.