Finding the Fourth Proportional to 863,463.84, 1,191,587.84 and 476,294.08
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Solution
The fourth proportional to 863,463.84, 1,191,587.84 and 476,294.08 is: 657,290.10
Step by Step Solution
- Step 1: Write the proportion equation
863,463.84 : 1,191,587.84 = 476,294.08 : x - Step 2: Convert to fraction form
863,463.84/1,191,587.84 = 476,294.08/x - Step 3: Cross multiply
863,463.84x = 1,191,587.84 × 476,294.08 - Step 4: Simplify right side
863,463.84x = 567,546,233,991.99 - Step 5: Solve for x
x = 567,546,233,991.99/863,463.84 - Step 6: Final answer
x = 657,290.10
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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.