Finding the Fourth Proportional to 953,338.49, 1,315,286.93 and 539,818.91
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Solution
The fourth proportional to 953,338.49, 1,315,286.93 and 539,818.91 is: 744,768.79
Step by Step Solution
- Step 1: Write the proportion equation
953,338.49 : 1,315,286.93 = 539,818.91 : x - Step 2: Convert to fraction form
953,338.49/1,315,286.93 = 539,818.91/x - Step 3: Cross multiply
953,338.49x = 1,315,286.93 × 539,818.91 - Step 4: Simplify right side
953,338.49x = 710,016,751,662.96 - Step 5: Solve for x
x = 710,016,751,662.96/953,338.49 - Step 6: Final answer
x = 744,768.79
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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.