Home / 1,021,469.25-1,532,199.75-311,495.24

Finding the Fourth Proportional to 1,021,469.25, 1,532,199.75 and 311,495.24

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Solution

The fourth proportional to 1,021,469.25, 1,532,199.75 and 311,495.24 is: 467,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,469.25 : 1,532,199.75 = 311,495.24 : x
  2. Step 2: Convert to fraction form
    1,021,469.25/1,532,199.75 = 311,495.24/x
  3. Step 3: Cross multiply
    1,021,469.25x = 1,532,199.75 × 311,495.24
  4. Step 4: Simplify right side
    1,021,469.25x = 477,272,921,193.19
  5. Step 5: Solve for x
    x = 477,272,921,193.19/1,021,469.25
  6. Step 6: Final answer
    x = 467,241.59

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Double scale
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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.