Finding the Fourth Proportional to 699,813.42, 966,207.36 and 538,383.66
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Solution
The fourth proportional to 699,813.42, 966,207.36 and 538,383.66 is: 743,327.06
Step by Step Solution
- Step 1: Write the proportion equation
699,813.42 : 966,207.36 = 538,383.66 : x - Step 2: Convert to fraction form
699,813.42/966,207.36 = 538,383.66/x - Step 3: Cross multiply
699,813.42x = 966,207.36 × 538,383.66 - Step 4: Simplify right side
699,813.42x = 520,190,254,795.74 - Step 5: Solve for x
x = 520,190,254,795.74/699,813.42 - Step 6: Final answer
x = 743,327.06
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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.