Home / 731,422.44-1,009,985.94-459,944.64

Finding the Fourth Proportional to 731,422.44, 1,009,985.94 and 459,944.64

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Solution

The fourth proportional to 731,422.44, 1,009,985.94 and 459,944.64 is: 635,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,422.44 : 1,009,985.94 = 459,944.64 : x
  2. Step 2: Convert to fraction form
    731,422.44/1,009,985.94 = 459,944.64/x
  3. Step 3: Cross multiply
    731,422.44x = 1,009,985.94 × 459,944.64
  4. Step 4: Simplify right side
    731,422.44x = 464,537,619,578.36
  5. Step 5: Solve for x
    x = 464,537,619,578.36/731,422.44
  6. Step 6: Final answer
    x = 635,115.35

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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.