Home / 756,262.21-1,134,390.24-306,979.28

Finding the Fourth Proportional to 756,262.21, 1,134,390.24 and 306,979.28

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Solution

The fourth proportional to 756,262.21, 1,134,390.24 and 306,979.28 is: 460,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,262.21 : 1,134,390.24 = 306,979.28 : x
  2. Step 2: Convert to fraction form
    756,262.21/1,134,390.24 = 306,979.28/x
  3. Step 3: Cross multiply
    756,262.21x = 1,134,390.24 × 306,979.28
  4. Step 4: Simplify right side
    756,262.21x = 348,234,298,212.26
  5. Step 5: Solve for x
    x = 348,234,298,212.26/756,262.21
  6. Step 6: Final answer
    x = 460,467.67

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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.