Home / 881,715.99-1,323,164.18-320,750.49

Finding the Fourth Proportional to 881,715.99, 1,323,164.18 and 320,750.49

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Solution

The fourth proportional to 881,715.99, 1,323,164.18 and 320,750.49 is: 481,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,715.99 : 1,323,164.18 = 320,750.49 : x
  2. Step 2: Convert to fraction form
    881,715.99/1,323,164.18 = 320,750.49/x
  3. Step 3: Cross multiply
    881,715.99x = 1,323,164.18 × 320,750.49
  4. Step 4: Simplify right side
    881,715.99x = 424,405,559,085.45
  5. Step 5: Solve for x
    x = 424,405,559,085.45/881,715.99
  6. Step 6: Final answer
    x = 481,340.44

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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.