Finding the Fourth Proportional to 804,994.14, 1,110,916.92 and 442,411.42
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Solution
The fourth proportional to 804,994.14, 1,110,916.92 and 442,411.42 is: 610,541.50
Step by Step Solution
- Step 1: Write the proportion equation
804,994.14 : 1,110,916.92 = 442,411.42 : x - Step 2: Convert to fraction form
804,994.14/1,110,916.92 = 442,411.42/x - Step 3: Cross multiply
804,994.14x = 1,110,916.92 × 442,411.42 - Step 4: Simplify right side
804,994.14x = 491,482,332,079.23 - Step 5: Solve for x
x = 491,482,332,079.23/804,994.14 - Step 6: Final answer
x = 610,541.50
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1.5x scale
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.