Home / 770,918.37-1,156,614.15-344,812.71

Finding the Fourth Proportional to 770,918.37, 1,156,614.15 and 344,812.71

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Solution

The fourth proportional to 770,918.37, 1,156,614.15 and 344,812.71 is: 517,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,918.37 : 1,156,614.15 = 344,812.71 : x
  2. Step 2: Convert to fraction form
    770,918.37/1,156,614.15 = 344,812.71/x
  3. Step 3: Cross multiply
    770,918.37x = 1,156,614.15 × 344,812.71
  4. Step 4: Simplify right side
    770,918.37x = 398,815,259,485.85
  5. Step 5: Solve for x
    x = 398,815,259,485.85/770,918.37
  6. Step 6: Final answer
    x = 517,324.89

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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.