Home / 691,285.41-1,036,703.84-264,798.54

Finding the Fourth Proportional to 691,285.41, 1,036,703.84 and 264,798.54

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Solution

The fourth proportional to 691,285.41, 1,036,703.84 and 264,798.54 is: 397,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,285.41 : 1,036,703.84 = 264,798.54 : x
  2. Step 2: Convert to fraction form
    691,285.41/1,036,703.84 = 264,798.54/x
  3. Step 3: Cross multiply
    691,285.41x = 1,036,703.84 × 264,798.54
  4. Step 4: Simplify right side
    691,285.41x = 274,517,665,580.88
  5. Step 5: Solve for x
    x = 274,517,665,580.88/691,285.41
  6. Step 6: Final answer
    x = 397,111.90

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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.