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Finding the Fourth Proportional to 616,881.69, 850,941.86 and 362,183.67

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Solution

The fourth proportional to 616,881.69, 850,941.86 and 362,183.67 is: 499,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,881.69 : 850,941.86 = 362,183.67 : x
  2. Step 2: Convert to fraction form
    616,881.69/850,941.86 = 362,183.67/x
  3. Step 3: Cross multiply
    616,881.69x = 850,941.86 × 362,183.67
  4. Step 4: Simplify right side
    616,881.69x = 308,197,244,000.51
  5. Step 5: Solve for x
    x = 308,197,244,000.51/616,881.69
  6. Step 6: Final answer
    x = 499,605.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.