Home / 1,021,441.08-1,532,409.78-311,481.72

Finding the Fourth Proportional to 1,021,441.08, 1,532,409.78 and 311,481.72

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Solution

The fourth proportional to 1,021,441.08, 1,532,409.78 and 311,481.72 is: 467,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,441.08 : 1,532,409.78 = 311,481.72 : x
  2. Step 2: Convert to fraction form
    1,021,441.08/1,532,409.78 = 311,481.72/x
  3. Step 3: Cross multiply
    1,021,441.08x = 1,532,409.78 × 311,481.72
  4. Step 4: Simplify right side
    1,021,441.08x = 477,317,634,019.22
  5. Step 5: Solve for x
    x = 477,317,634,019.22/1,021,441.08
  6. Step 6: Final answer
    x = 467,298.25

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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.