Home / 447,140.20-670,710.30-269,555.80

Finding the Fourth Proportional to 447,140.20, 670,710.30 and 269,555.80

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Solution

The fourth proportional to 447,140.20, 670,710.30 and 269,555.80 is: 404,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,140.20 : 670,710.30 = 269,555.80 : x
  2. Step 2: Convert to fraction form
    447,140.20/670,710.30 = 269,555.80/x
  3. Step 3: Cross multiply
    447,140.20x = 670,710.30 × 269,555.80
  4. Step 4: Simplify right side
    447,140.20x = 180,793,851,484.74
  5. Step 5: Solve for x
    x = 180,793,851,484.74/447,140.20
  6. Step 6: Final answer
    x = 404,333.70

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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.