Finding the Fourth Proportional to 885,454.92, 1,326,964.14 and 379,410.12
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Solution
The fourth proportional to 885,454.92, 1,326,964.14 and 379,410.12 is: 568,593.17
Step by Step Solution
- Step 1: Write the proportion equation
885,454.92 : 1,326,964.14 = 379,410.12 : x - Step 2: Convert to fraction form
885,454.92/1,326,964.14 = 379,410.12/x - Step 3: Cross multiply
885,454.92x = 1,326,964.14 × 379,410.12 - Step 4: Simplify right side
885,454.92x = 503,463,623,593.10 - Step 5: Solve for x
x = 503,463,623,593.10/885,454.92 - Step 6: Final answer
x = 568,593.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.