Home / 691,299.35-1,036,236.52-264,718.65

Finding the Fourth Proportional to 691,299.35, 1,036,236.52 and 264,718.65

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Solution

The fourth proportional to 691,299.35, 1,036,236.52 and 264,718.65 is: 396,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,299.35 : 1,036,236.52 = 264,718.65 : x
  2. Step 2: Convert to fraction form
    691,299.35/1,036,236.52 = 264,718.65/x
  3. Step 3: Cross multiply
    691,299.35x = 1,036,236.52 × 264,718.65
  4. Step 4: Simplify right side
    691,299.35x = 274,311,132,655.10
  5. Step 5: Solve for x
    x = 274,311,132,655.10/691,299.35
  6. Step 6: Final answer
    x = 396,805.14

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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.