Home / 679,494.96-1,019,242.56-199,722.72

Finding the Fourth Proportional to 679,494.96, 1,019,242.56 and 199,722.72

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Solution

The fourth proportional to 679,494.96, 1,019,242.56 and 199,722.72 is: 299,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,494.96 : 1,019,242.56 = 199,722.72 : x
  2. Step 2: Convert to fraction form
    679,494.96/1,019,242.56 = 199,722.72/x
  3. Step 3: Cross multiply
    679,494.96x = 1,019,242.56 × 199,722.72
  4. Step 4: Simplify right side
    679,494.96x = 203,565,896,422.96
  5. Step 5: Solve for x
    x = 203,565,896,422.96/679,494.96
  6. Step 6: Final answer
    x = 299,584.12

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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.