Home / 450,598.94-621,784.33-269,274.78

Finding the Fourth Proportional to 450,598.94, 621,784.33 and 269,274.78

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Solution

The fourth proportional to 450,598.94, 621,784.33 and 269,274.78 is: 371,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,598.94 : 621,784.33 = 269,274.78 : x
  2. Step 2: Convert to fraction form
    450,598.94/621,784.33 = 269,274.78/x
  3. Step 3: Cross multiply
    450,598.94x = 621,784.33 × 269,274.78
  4. Step 4: Simplify right side
    450,598.94x = 167,430,838,668.20
  5. Step 5: Solve for x
    x = 167,430,838,668.20/450,598.94
  6. Step 6: Final answer
    x = 371,573.97

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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.