Home / 740,743.44-1,022,308.90-418,474.28

Finding the Fourth Proportional to 740,743.44, 1,022,308.90 and 418,474.28

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Solution

The fourth proportional to 740,743.44, 1,022,308.90 and 418,474.28 is: 577,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,743.44 : 1,022,308.90 = 418,474.28 : x
  2. Step 2: Convert to fraction form
    740,743.44/1,022,308.90 = 418,474.28/x
  3. Step 3: Cross multiply
    740,743.44x = 1,022,308.90 × 418,474.28
  4. Step 4: Simplify right side
    740,743.44x = 427,809,980,865.09
  5. Step 5: Solve for x
    x = 427,809,980,865.09/740,743.44
  6. Step 6: Final answer
    x = 577,541.37

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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.