Home / 743,156.37-1,025,493.18-412,021.16

Finding the Fourth Proportional to 743,156.37, 1,025,493.18 and 412,021.16

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Solution

The fourth proportional to 743,156.37, 1,025,493.18 and 412,021.16 is: 568,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,156.37 : 1,025,493.18 = 412,021.16 : x
  2. Step 2: Convert to fraction form
    743,156.37/1,025,493.18 = 412,021.16/x
  3. Step 3: Cross multiply
    743,156.37x = 1,025,493.18 × 412,021.16
  4. Step 4: Simplify right side
    743,156.37x = 422,524,889,595.69
  5. Step 5: Solve for x
    x = 422,524,889,595.69/743,156.37
  6. Step 6: Final answer
    x = 568,554.49

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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.