Home / 822,866.89-1,135,059.76-543,465.79

Finding the Fourth Proportional to 822,866.89, 1,135,059.76 and 543,465.79

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Solution

The fourth proportional to 822,866.89, 1,135,059.76 and 543,465.79 is: 749,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,866.89 : 1,135,059.76 = 543,465.79 : x
  2. Step 2: Convert to fraction form
    822,866.89/1,135,059.76 = 543,465.79/x
  3. Step 3: Cross multiply
    822,866.89x = 1,135,059.76 × 543,465.79
  4. Step 4: Simplify right side
    822,866.89x = 616,866,149,165.61
  5. Step 5: Solve for x
    x = 616,866,149,165.61/822,866.89
  6. Step 6: Final answer
    x = 749,654.84

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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.