Home / 740,717.47-1,022,273.19-418,448.33

Finding the Fourth Proportional to 740,717.47, 1,022,273.19 and 418,448.33

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Solution

The fourth proportional to 740,717.47, 1,022,273.19 and 418,448.33 is: 577,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,717.47 : 1,022,273.19 = 418,448.33 : x
  2. Step 2: Convert to fraction form
    740,717.47/1,022,273.19 = 418,448.33/x
  3. Step 3: Cross multiply
    740,717.47x = 1,022,273.19 × 418,448.33
  4. Step 4: Simplify right side
    740,717.47x = 427,768,509,159.27
  5. Step 5: Solve for x
    x = 427,768,509,159.27/740,717.47
  6. Step 6: Final answer
    x = 577,505.63

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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.