Home / 884,181.78-1,326,531.42-285,130.92

Finding the Fourth Proportional to 884,181.78, 1,326,531.42 and 285,130.92

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Solution

The fourth proportional to 884,181.78, 1,326,531.42 and 285,130.92 is: 427,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,181.78 : 1,326,531.42 = 285,130.92 : x
  2. Step 2: Convert to fraction form
    884,181.78/1,326,531.42 = 285,130.92/x
  3. Step 3: Cross multiply
    884,181.78x = 1,326,531.42 × 285,130.92
  4. Step 4: Simplify right side
    884,181.78x = 378,235,124,193.51
  5. Step 5: Solve for x
    x = 378,235,124,193.51/884,181.78
  6. Step 6: Final answer
    x = 427,779.82

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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.