Home / 801,197.60-1,105,650.95-438,618.51

Finding the Fourth Proportional to 801,197.60, 1,105,650.95 and 438,618.51

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Solution

The fourth proportional to 801,197.60, 1,105,650.95 and 438,618.51 is: 605,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,197.60 : 1,105,650.95 = 438,618.51 : x
  2. Step 2: Convert to fraction form
    801,197.60/1,105,650.95 = 438,618.51/x
  3. Step 3: Cross multiply
    801,197.60x = 1,105,650.95 × 438,618.51
  4. Step 4: Simplify right side
    801,197.60x = 484,958,970,075.99
  5. Step 5: Solve for x
    x = 484,958,970,075.99/801,197.60
  6. Step 6: Final answer
    x = 605,292.59

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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.