Home / 446,038.05-669,044.96-309,127.41

Finding the Fourth Proportional to 446,038.05, 669,044.96 and 309,127.41

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Solution

The fourth proportional to 446,038.05, 669,044.96 and 309,127.41 is: 463,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,038.05 : 669,044.96 = 309,127.41 : x
  2. Step 2: Convert to fraction form
    446,038.05/669,044.96 = 309,127.41/x
  3. Step 3: Cross multiply
    446,038.05x = 669,044.96 × 309,127.41
  4. Step 4: Simplify right side
    446,038.05x = 206,820,132,313.13
  5. Step 5: Solve for x
    x = 206,820,132,313.13/446,038.05
  6. Step 6: Final answer
    x = 463,682.71

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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.