Home / 419,110.48-631,466.03-379,180.13

Finding the Fourth Proportional to 419,110.48, 631,466.03 and 379,180.13

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Solution

The fourth proportional to 419,110.48, 631,466.03 and 379,180.13 is: 571,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,110.48 : 631,466.03 = 379,180.13 : x
  2. Step 2: Convert to fraction form
    419,110.48/631,466.03 = 379,180.13/x
  3. Step 3: Cross multiply
    419,110.48x = 631,466.03 × 379,180.13
  4. Step 4: Simplify right side
    419,110.48x = 239,439,371,345.98
  5. Step 5: Solve for x
    x = 239,439,371,345.98/419,110.48
  6. Step 6: Final answer
    x = 571,303.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.