Home / 672,190.66-1,008,435.51-293,172.70

Finding the Fourth Proportional to 672,190.66, 1,008,435.51 and 293,172.70

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Solution

The fourth proportional to 672,190.66, 1,008,435.51 and 293,172.70 is: 439,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,190.66 : 1,008,435.51 = 293,172.70 : x
  2. Step 2: Convert to fraction form
    672,190.66/1,008,435.51 = 293,172.70/x
  3. Step 3: Cross multiply
    672,190.66x = 1,008,435.51 × 293,172.70
  4. Step 4: Simplify right side
    672,190.66x = 295,645,761,242.58
  5. Step 5: Solve for x
    x = 295,645,761,242.58/672,190.66
  6. Step 6: Final answer
    x = 439,824.26

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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.