Home / 449,140.20-673,710.30-404,853.45

Finding the Fourth Proportional to 449,140.20, 673,710.30 and 404,853.45

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Solution

The fourth proportional to 449,140.20, 673,710.30 and 404,853.45 is: 607,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,140.20 : 673,710.30 = 404,853.45 : x
  2. Step 2: Convert to fraction form
    449,140.20/673,710.30 = 404,853.45/x
  3. Step 3: Cross multiply
    449,140.20x = 673,710.30 × 404,853.45
  4. Step 4: Simplify right side
    449,140.20x = 272,753,939,255.54
  5. Step 5: Solve for x
    x = 272,753,939,255.54/449,140.20
  6. Step 6: Final answer
    x = 607,280.18

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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.