Home / 789,197.52-1,183,807.24-256,721.36

Finding the Fourth Proportional to 789,197.52, 1,183,807.24 and 256,721.36

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Solution

The fourth proportional to 789,197.52, 1,183,807.24 and 256,721.36 is: 385,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,197.52 : 1,183,807.24 = 256,721.36 : x
  2. Step 2: Convert to fraction form
    789,197.52/1,183,807.24 = 256,721.36/x
  3. Step 3: Cross multiply
    789,197.52x = 1,183,807.24 × 256,721.36
  4. Step 4: Simplify right side
    789,197.52x = 303,908,604,630.65
  5. Step 5: Solve for x
    x = 303,908,604,630.65/789,197.52
  6. Step 6: Final answer
    x = 385,085.61

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1.5x scale

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.