Home / 809,893.81-1,117,869.62-465,767.34

Finding the Fourth Proportional to 809,893.81, 1,117,869.62 and 465,767.34

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Solution

The fourth proportional to 809,893.81, 1,117,869.62 and 465,767.34 is: 642,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,893.81 : 1,117,869.62 = 465,767.34 : x
  2. Step 2: Convert to fraction form
    809,893.81/1,117,869.62 = 465,767.34/x
  3. Step 3: Cross multiply
    809,893.81x = 1,117,869.62 × 465,767.34
  4. Step 4: Simplify right side
    809,893.81x = 520,667,159,374.21
  5. Step 5: Solve for x
    x = 520,667,159,374.21/809,893.81
  6. Step 6: Final answer
    x = 642,883.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.