Home / 801,441.24-1,105,988.88-438,887.26

Finding the Fourth Proportional to 801,441.24, 1,105,988.88 and 438,887.26

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Solution

The fourth proportional to 801,441.24, 1,105,988.88 and 438,887.26 is: 605,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,441.24 : 1,105,988.88 = 438,887.26 : x
  2. Step 2: Convert to fraction form
    801,441.24/1,105,988.88 = 438,887.26/x
  3. Step 3: Cross multiply
    801,441.24x = 1,105,988.88 × 438,887.26
  4. Step 4: Simplify right side
    801,441.24x = 485,404,429,133.67
  5. Step 5: Solve for x
    x = 485,404,429,133.67/801,441.24
  6. Step 6: Final answer
    x = 605,664.40

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1.5x scale

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.