Home / 884,416.80-1,326,885.48-285,366.72

Finding the Fourth Proportional to 884,416.80, 1,326,885.48 and 285,366.72

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Solution

The fourth proportional to 884,416.80, 1,326,885.48 and 285,366.72 is: 428,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,416.80 : 1,326,885.48 = 285,366.72 : x
  2. Step 2: Convert to fraction form
    884,416.80/1,326,885.48 = 285,366.72/x
  3. Step 3: Cross multiply
    884,416.80x = 1,326,885.48 × 285,366.72
  4. Step 4: Simplify right side
    884,416.80x = 378,648,957,243.23
  5. Step 5: Solve for x
    x = 378,648,957,243.23/884,416.80
  6. Step 6: Final answer
    x = 428,134.06

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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.