Home / 1,021,470.75-1,532,202-311,496.75

Finding the Fourth Proportional to 1,021,470.75, 1,532,202 and 311,496.75

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Solution

The fourth proportional to 1,021,470.75, 1,532,202 and 311,496.75 is: 467,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,470.75 : 1,532,202 = 311,496.75 : x
  2. Step 2: Convert to fraction form
    1,021,470.75/1,532,202 = 311,496.75/x
  3. Step 3: Cross multiply
    1,021,470.75x = 1,532,202 × 311,496.75
  4. Step 4: Simplify right side
    1,021,470.75x = 477,275,943,343.50
  5. Step 5: Solve for x
    x = 477,275,943,343.50/1,021,470.75
  6. Step 6: Final answer
    x = 467,243.87

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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.