Home / 672,616.94-1,008,929.04-199,306.40

Finding the Fourth Proportional to 672,616.94, 1,008,929.04 and 199,306.40

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Solution

The fourth proportional to 672,616.94, 1,008,929.04 and 199,306.40 is: 298,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,616.94 : 1,008,929.04 = 199,306.40 : x
  2. Step 2: Convert to fraction form
    672,616.94/1,008,929.04 = 199,306.40/x
  3. Step 3: Cross multiply
    672,616.94x = 1,008,929.04 × 199,306.40
  4. Step 4: Simplify right side
    672,616.94x = 201,086,009,773.21
  5. Step 5: Solve for x
    x = 201,086,009,773.21/672,616.94
  6. Step 6: Final answer
    x = 298,960.67

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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.