Home / 884,175.28-1,326,521.64-285,124.36

Finding the Fourth Proportional to 884,175.28, 1,326,521.64 and 285,124.36

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Solution

The fourth proportional to 884,175.28, 1,326,521.64 and 285,124.36 is: 427,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,175.28 : 1,326,521.64 = 285,124.36 : x
  2. Step 2: Convert to fraction form
    884,175.28/1,326,521.64 = 285,124.36/x
  3. Step 3: Cross multiply
    884,175.28x = 1,326,521.64 × 285,124.36
  4. Step 4: Simplify right side
    884,175.28x = 378,223,633,631.15
  5. Step 5: Solve for x
    x = 378,223,633,631.15/884,175.28
  6. Step 6: Final answer
    x = 427,769.97

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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.