Finding the Fourth Proportional to 986,716.52, 1,361,676.38 and 578,825.08
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Solution
The fourth proportional to 986,716.52, 1,361,676.38 and 578,825.08 is: 798,783.06
Step by Step Solution
- Step 1: Write the proportion equation
986,716.52 : 1,361,676.38 = 578,825.08 : x - Step 2: Convert to fraction form
986,716.52/1,361,676.38 = 578,825.08/x - Step 3: Cross multiply
986,716.52x = 1,361,676.38 × 578,825.08 - Step 4: Simplify right side
986,716.52x = 788,172,439,587.61 - Step 5: Solve for x
x = 788,172,439,587.61/986,716.52 - Step 6: Final answer
x = 798,783.06
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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.