Home / 447,317.70-670,287.43-207,283.50

Finding the Fourth Proportional to 447,317.70, 670,287.43 and 207,283.50

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Solution

The fourth proportional to 447,317.70, 670,287.43 and 207,283.50 is: 310,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,317.70 : 670,287.43 = 207,283.50 : x
  2. Step 2: Convert to fraction form
    447,317.70/670,287.43 = 207,283.50/x
  3. Step 3: Cross multiply
    447,317.70x = 670,287.43 × 207,283.50
  4. Step 4: Simplify right side
    447,317.70x = 138,939,524,496.41
  5. Step 5: Solve for x
    x = 138,939,524,496.41/447,317.70
  6. Step 6: Final answer
    x = 310,605.92

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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.