Home / 478,834.26-660,795.75-263,981.94

Finding the Fourth Proportional to 478,834.26, 660,795.75 and 263,981.94

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Solution

The fourth proportional to 478,834.26, 660,795.75 and 263,981.94 is: 364,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,834.26 : 660,795.75 = 263,981.94 : x
  2. Step 2: Convert to fraction form
    478,834.26/660,795.75 = 263,981.94/x
  3. Step 3: Cross multiply
    478,834.26x = 660,795.75 × 263,981.94
  4. Step 4: Simplify right side
    478,834.26x = 174,438,144,028.76
  5. Step 5: Solve for x
    x = 174,438,144,028.76/478,834.26
  6. Step 6: Final answer
    x = 364,297.54

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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.