Home / 436,427.47-654,315.06-301,105.39

Finding the Fourth Proportional to 436,427.47, 654,315.06 and 301,105.39

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Solution

The fourth proportional to 436,427.47, 654,315.06 and 301,105.39 is: 451,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,427.47 : 654,315.06 = 301,105.39 : x
  2. Step 2: Convert to fraction form
    436,427.47/654,315.06 = 301,105.39/x
  3. Step 3: Cross multiply
    436,427.47x = 654,315.06 × 301,105.39
  4. Step 4: Simplify right side
    436,427.47x = 197,017,791,324.17
  5. Step 5: Solve for x
    x = 197,017,791,324.17/436,427.47
  6. Step 6: Final answer
    x = 451,433.07

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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.