Home / 679,494.48-1,019,241.95-199,722.39

Finding the Fourth Proportional to 679,494.48, 1,019,241.95 and 199,722.39

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Solution

The fourth proportional to 679,494.48, 1,019,241.95 and 199,722.39 is: 299,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,494.48 : 1,019,241.95 = 199,722.39 : x
  2. Step 2: Convert to fraction form
    679,494.48/1,019,241.95 = 199,722.39/x
  3. Step 3: Cross multiply
    679,494.48x = 1,019,241.95 × 199,722.39
  4. Step 4: Simplify right side
    679,494.48x = 203,565,437,243.65
  5. Step 5: Solve for x
    x = 203,565,437,243.65/679,494.48
  6. Step 6: Final answer
    x = 299,583.65

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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.