Home / 672,618.44-1,008,931.29-199,307.90

Finding the Fourth Proportional to 672,618.44, 1,008,931.29 and 199,307.90

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Solution

The fourth proportional to 672,618.44, 1,008,931.29 and 199,307.90 is: 298,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,618.44 : 1,008,931.29 = 199,307.90 : x
  2. Step 2: Convert to fraction form
    672,618.44/1,008,931.29 = 199,307.90/x
  3. Step 3: Cross multiply
    672,618.44x = 1,008,931.29 × 199,307.90
  4. Step 4: Simplify right side
    672,618.44x = 201,087,971,609.54
  5. Step 5: Solve for x
    x = 201,087,971,609.54/672,618.44
  6. Step 6: Final answer
    x = 298,962.92

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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.