Home / 692,029.44-954,837.60-420,090.72

Finding the Fourth Proportional to 692,029.44, 954,837.60 and 420,090.72

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Solution

The fourth proportional to 692,029.44, 954,837.60 and 420,090.72 is: 579,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,029.44 : 954,837.60 = 420,090.72 : x
  2. Step 2: Convert to fraction form
    692,029.44/954,837.60 = 420,090.72/x
  3. Step 3: Cross multiply
    692,029.44x = 954,837.60 × 420,090.72
  4. Step 4: Simplify right side
    692,029.44x = 401,118,414,867.07
  5. Step 5: Solve for x
    x = 401,118,414,867.07/692,029.44
  6. Step 6: Final answer
    x = 579,626.23

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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.