Home / 679,483.42-1,019,225.33-199,711.31

Finding the Fourth Proportional to 679,483.42, 1,019,225.33 and 199,711.31

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Solution

The fourth proportional to 679,483.42, 1,019,225.33 and 199,711.31 is: 299,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,483.42 : 1,019,225.33 = 199,711.31 : x
  2. Step 2: Convert to fraction form
    679,483.42/1,019,225.33 = 199,711.31/x
  3. Step 3: Cross multiply
    679,483.42x = 1,019,225.33 × 199,711.31
  4. Step 4: Simplify right side
    679,483.42x = 203,550,820,493.72
  5. Step 5: Solve for x
    x = 203,550,820,493.72/679,483.42
  6. Step 6: Final answer
    x = 299,567.02

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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.