Home / 884,308.20-1,326,720.60-285,256.06

Finding the Fourth Proportional to 884,308.20, 1,326,720.60 and 285,256.06

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Solution

The fourth proportional to 884,308.20, 1,326,720.60 and 285,256.06 is: 427,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,308.20 : 1,326,720.60 = 285,256.06 : x
  2. Step 2: Convert to fraction form
    884,308.20/1,326,720.60 = 285,256.06/x
  3. Step 3: Cross multiply
    884,308.20x = 1,326,720.60 × 285,256.06
  4. Step 4: Simplify right side
    884,308.20x = 378,455,091,076.84
  5. Step 5: Solve for x
    x = 378,455,091,076.84/884,308.20
  6. Step 6: Final answer
    x = 427,967.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.