Home / 450,618.89-621,811.54-269,294.72

Finding the Fourth Proportional to 450,618.89, 621,811.54 and 269,294.72

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Solution

The fourth proportional to 450,618.89, 621,811.54 and 269,294.72 is: 371,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,618.89 : 621,811.54 = 269,294.72 : x
  2. Step 2: Convert to fraction form
    450,618.89/621,811.54 = 269,294.72/x
  3. Step 3: Cross multiply
    450,618.89x = 621,811.54 × 269,294.72
  4. Step 4: Simplify right side
    450,618.89x = 167,450,566,448.22
  5. Step 5: Solve for x
    x = 167,450,566,448.22/450,618.89
  6. Step 6: Final answer
    x = 371,601.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.