Home / 828,421.07-1,242,892.61-295,930.31

Finding the Fourth Proportional to 828,421.07, 1,242,892.61 and 295,930.31

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Solution

The fourth proportional to 828,421.07, 1,242,892.61 and 295,930.31 is: 443,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,421.07 : 1,242,892.61 = 295,930.31 : x
  2. Step 2: Convert to fraction form
    828,421.07/1,242,892.61 = 295,930.31/x
  3. Step 3: Cross multiply
    828,421.07x = 1,242,892.61 × 295,930.31
  4. Step 4: Simplify right side
    828,421.07x = 367,809,595,374.01
  5. Step 5: Solve for x
    x = 367,809,595,374.01/828,421.07
  6. Step 6: Final answer
    x = 443,988.70

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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.