Finding the Fourth Proportional to 842,661.36, 1,162,638.36 and 503,005.68
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Solution
The fourth proportional to 842,661.36, 1,162,638.36 and 503,005.68 is: 694,007.97
Step by Step Solution
- Step 1: Write the proportion equation
842,661.36 : 1,162,638.36 = 503,005.68 : x - Step 2: Convert to fraction form
842,661.36/1,162,638.36 = 503,005.68/x - Step 3: Cross multiply
842,661.36x = 1,162,638.36 × 503,005.68 - Step 4: Simplify right side
842,661.36x = 584,813,698,865.89 - Step 5: Solve for x
x = 584,813,698,865.89/842,661.36 - Step 6: Final answer
x = 694,007.97
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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.