Home / 446,731.20-670,615.20-269,438.40

Finding the Fourth Proportional to 446,731.20, 670,615.20 and 269,438.40

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Solution

The fourth proportional to 446,731.20, 670,615.20 and 269,438.40 is: 404,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,731.20 : 670,615.20 = 269,438.40 : x
  2. Step 2: Convert to fraction form
    446,731.20/670,615.20 = 269,438.40/x
  3. Step 3: Cross multiply
    446,731.20x = 670,615.20 × 269,438.40
  4. Step 4: Simplify right side
    446,731.20x = 180,689,486,503.68
  5. Step 5: Solve for x
    x = 180,689,486,503.68/446,731.20
  6. Step 6: Final answer
    x = 404,470.26

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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.