Home / 912,409.92-1,259,015.81-504,456.66

Finding the Fourth Proportional to 912,409.92, 1,259,015.81 and 504,456.66

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Solution

The fourth proportional to 912,409.92, 1,259,015.81 and 504,456.66 is: 696,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,409.92 : 1,259,015.81 = 504,456.66 : x
  2. Step 2: Convert to fraction form
    912,409.92/1,259,015.81 = 504,456.66/x
  3. Step 3: Cross multiply
    912,409.92x = 1,259,015.81 × 504,456.66
  4. Step 4: Simplify right side
    912,409.92x = 635,118,907,877.51
  5. Step 5: Solve for x
    x = 635,118,907,877.51/912,409.92
  6. Step 6: Final answer
    x = 696,089.44

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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.