Home / 884,415.55-1,326,883.61-285,365.47

Finding the Fourth Proportional to 884,415.55, 1,326,883.61 and 285,365.47

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Solution

The fourth proportional to 884,415.55, 1,326,883.61 and 285,365.47 is: 428,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,415.55 : 1,326,883.61 = 285,365.47 : x
  2. Step 2: Convert to fraction form
    884,415.55/1,326,883.61 = 285,365.47/x
  3. Step 3: Cross multiply
    884,415.55x = 1,326,883.61 × 285,365.47
  4. Step 4: Simplify right side
    884,415.55x = 378,646,765,002.95
  5. Step 5: Solve for x
    x = 378,646,765,002.95/884,415.55
  6. Step 6: Final answer
    x = 428,132.19

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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.