Finding the Fourth Proportional to 893,605.08, 1,233,768.85 and 686,504.63
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Solution
The fourth proportional to 893,605.08, 1,233,768.85 and 686,504.63 is: 947,832.60
Step by Step Solution
- Step 1: Write the proportion equation
893,605.08 : 1,233,768.85 = 686,504.63 : x - Step 2: Convert to fraction form
893,605.08/1,233,768.85 = 686,504.63/x - Step 3: Cross multiply
893,605.08x = 1,233,768.85 × 686,504.63 - Step 4: Simplify right side
893,605.08x = 846,988,025,202.58 - Step 5: Solve for x
x = 846,988,025,202.58/893,605.08 - Step 6: Final answer
x = 947,832.60
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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.