Home / 891,289.37-1,229,975.79-483,389.57

Finding the Fourth Proportional to 891,289.37, 1,229,975.79 and 483,389.57

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Solution

The fourth proportional to 891,289.37, 1,229,975.79 and 483,389.57 is: 667,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,289.37 : 1,229,975.79 = 483,389.57 : x
  2. Step 2: Convert to fraction form
    891,289.37/1,229,975.79 = 483,389.57/x
  3. Step 3: Cross multiply
    891,289.37x = 1,229,975.79 × 483,389.57
  4. Step 4: Simplify right side
    891,289.37x = 594,557,469,500.74
  5. Step 5: Solve for x
    x = 594,557,469,500.74/891,289.37
  6. Step 6: Final answer
    x = 667,075.69

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Double scale
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1.5x scale

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.