Finding the Fourth Proportional to 737,631.77, 1,017,922.14 and 415,373.67
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Solution
The fourth proportional to 737,631.77, 1,017,922.14 and 415,373.67 is: 573,210.20
Step by Step Solution
- Step 1: Write the proportion equation
737,631.77 : 1,017,922.14 = 415,373.67 : x - Step 2: Convert to fraction form
737,631.77/1,017,922.14 = 415,373.67/x - Step 3: Cross multiply
737,631.77x = 1,017,922.14 × 415,373.67 - Step 4: Simplify right side
737,631.77x = 422,818,055,066.05 - Step 5: Solve for x
x = 422,818,055,066.05/737,631.77 - Step 6: Final answer
x = 573,210.20
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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.