Home / 810,742.46-1,118,808.09-448,181.60

Finding the Fourth Proportional to 810,742.46, 1,118,808.09 and 448,181.60

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Solution

The fourth proportional to 810,742.46, 1,118,808.09 and 448,181.60 is: 618,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,742.46 : 1,118,808.09 = 448,181.60 : x
  2. Step 2: Convert to fraction form
    810,742.46/1,118,808.09 = 448,181.60/x
  3. Step 3: Cross multiply
    810,742.46x = 1,118,808.09 × 448,181.60
  4. Step 4: Simplify right side
    810,742.46x = 501,429,194,275.10
  5. Step 5: Solve for x
    x = 501,429,194,275.10/810,742.46
  6. Step 6: Final answer
    x = 618,481.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.