Home / 679,904.18-1,019,745.35-200,019.71

Finding the Fourth Proportional to 679,904.18, 1,019,745.35 and 200,019.71

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Solution

The fourth proportional to 679,904.18, 1,019,745.35 and 200,019.71 is: 299,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,904.18 : 1,019,745.35 = 200,019.71 : x
  2. Step 2: Convert to fraction form
    679,904.18/1,019,745.35 = 200,019.71/x
  3. Step 3: Cross multiply
    679,904.18x = 1,019,745.35 × 200,019.71
  4. Step 4: Simplify right side
    679,904.18x = 203,969,171,480.19
  5. Step 5: Solve for x
    x = 203,969,171,480.19/679,904.18
  6. Step 6: Final answer
    x = 299,996.94

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1.5x scale

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.