Finding the Fourth Proportional to 893,835.84, 1,233,517.78 and 485,965.12
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Solution
The fourth proportional to 893,835.84, 1,233,517.78 and 485,965.12 is: 670,645.09
Step by Step Solution
- Step 1: Write the proportion equation
893,835.84 : 1,233,517.78 = 485,965.12 : x - Step 2: Convert to fraction form
893,835.84/1,233,517.78 = 485,965.12/x - Step 3: Cross multiply
893,835.84x = 1,233,517.78 × 485,965.12 - Step 4: Simplify right side
893,835.84x = 599,446,615,979.83 - Step 5: Solve for x
x = 599,446,615,979.83/893,835.84 - Step 6: Final answer
x = 670,645.09
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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.