Home / 389,907.98-584,821.56-264,354.74

Finding the Fourth Proportional to 389,907.98, 584,821.56 and 264,354.74

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Solution

The fourth proportional to 389,907.98, 584,821.56 and 264,354.74 is: 396,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,907.98 : 584,821.56 = 264,354.74 : x
  2. Step 2: Convert to fraction form
    389,907.98/584,821.56 = 264,354.74/x
  3. Step 3: Cross multiply
    389,907.98x = 584,821.56 × 264,354.74
  4. Step 4: Simplify right side
    389,907.98x = 154,600,348,516.09
  5. Step 5: Solve for x
    x = 154,600,348,516.09/389,907.98
  6. Step 6: Final answer
    x = 396,504.71

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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.