Home / 490,057.48-734,895.87-190,498.42

Finding the Fourth Proportional to 490,057.48, 734,895.87 and 190,498.42

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Solution

The fourth proportional to 490,057.48, 734,895.87 and 190,498.42 is: 285,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,057.48 : 734,895.87 = 190,498.42 : x
  2. Step 2: Convert to fraction form
    490,057.48/734,895.87 = 190,498.42/x
  3. Step 3: Cross multiply
    490,057.48x = 734,895.87 × 190,498.42
  4. Step 4: Simplify right side
    490,057.48x = 139,996,502,099.53
  5. Step 5: Solve for x
    x = 139,996,502,099.53/490,057.48
  6. Step 6: Final answer
    x = 285,673.64

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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.