Finding the Fourth Proportional to 804,621.42, 1,110,397.11 and 442,068.75
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Solution
The fourth proportional to 804,621.42, 1,110,397.11 and 442,068.75 is: 610,065.62
Step by Step Solution
- Step 1: Write the proportion equation
804,621.42 : 1,110,397.11 = 442,068.75 : x - Step 2: Convert to fraction form
804,621.42/1,110,397.11 = 442,068.75/x - Step 3: Cross multiply
804,621.42x = 1,110,397.11 × 442,068.75 - Step 4: Simplify right side
804,621.42x = 490,871,862,421.31 - Step 5: Solve for x
x = 490,871,862,421.31/804,621.42 - Step 6: Final answer
x = 610,065.62
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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.