Finding the Fourth Proportional to 806,489.84, 1,110,553.54 and 788,588.75
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Solution
The fourth proportional to 806,489.84, 1,110,553.54 and 788,588.75 is: 1,085,903.36
Step by Step Solution
- Step 1: Write the proportion equation
806,489.84 : 1,110,553.54 = 788,588.75 : x - Step 2: Convert to fraction form
806,489.84/1,110,553.54 = 788,588.75/x - Step 3: Cross multiply
806,489.84x = 1,110,553.54 × 788,588.75 - Step 4: Simplify right side
806,489.84x = 875,770,020,392.44 - Step 5: Solve for x
x = 875,770,020,392.44/806,489.84 - Step 6: Final answer
x = 1,085,903.36
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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.