Home / 740,716.47-1,022,271.81-418,447.33

Finding the Fourth Proportional to 740,716.47, 1,022,271.81 and 418,447.33

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Solution

The fourth proportional to 740,716.47, 1,022,271.81 and 418,447.33 is: 577,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,716.47 : 1,022,271.81 = 418,447.33 : x
  2. Step 2: Convert to fraction form
    740,716.47/1,022,271.81 = 418,447.33/x
  3. Step 3: Cross multiply
    740,716.47x = 1,022,271.81 × 418,447.33
  4. Step 4: Simplify right side
    740,716.47x = 427,766,904,317.41
  5. Step 5: Solve for x
    x = 427,766,904,317.41/740,716.47
  6. Step 6: Final answer
    x = 577,504.24

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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.