Home / 679,061.43-1,018,749.67-199,269.86

Finding the Fourth Proportional to 679,061.43, 1,018,749.67 and 199,269.86

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Solution

The fourth proportional to 679,061.43, 1,018,749.67 and 199,269.86 is: 298,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,061.43 : 1,018,749.67 = 199,269.86 : x
  2. Step 2: Convert to fraction form
    679,061.43/1,018,749.67 = 199,269.86/x
  3. Step 3: Cross multiply
    679,061.43x = 1,018,749.67 × 199,269.86
  4. Step 4: Simplify right side
    679,061.43x = 203,006,098,524.02
  5. Step 5: Solve for x
    x = 203,006,098,524.02/679,061.43
  6. Step 6: Final answer
    x = 298,951.01

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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.