Home / 743,889.55-1,026,568.26-404,357.80

Finding the Fourth Proportional to 743,889.55, 1,026,568.26 and 404,357.80

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Solution

The fourth proportional to 743,889.55, 1,026,568.26 and 404,357.80 is: 558,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,889.55 : 1,026,568.26 = 404,357.80 : x
  2. Step 2: Convert to fraction form
    743,889.55/1,026,568.26 = 404,357.80/x
  3. Step 3: Cross multiply
    743,889.55x = 1,026,568.26 × 404,357.80
  4. Step 4: Simplify right side
    743,889.55x = 415,100,883,163.43
  5. Step 5: Solve for x
    x = 415,100,883,163.43/743,889.55
  6. Step 6: Final answer
    x = 558,014.13

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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.