Home / 913,667.82-1,260,843.06-505,769.85

Finding the Fourth Proportional to 913,667.82, 1,260,843.06 and 505,769.85

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Solution

The fourth proportional to 913,667.82, 1,260,843.06 and 505,769.85 is: 697,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,667.82 : 1,260,843.06 = 505,769.85 : x
  2. Step 2: Convert to fraction form
    913,667.82/1,260,843.06 = 505,769.85/x
  3. Step 3: Cross multiply
    913,667.82x = 1,260,843.06 × 505,769.85
  4. Step 4: Simplify right side
    913,667.82x = 637,696,405,329.74
  5. Step 5: Solve for x
    x = 637,696,405,329.74/913,667.82
  6. Step 6: Final answer
    x = 697,952.13

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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.