Finding the Fourth Proportional to 943,245.81, 1,302,117.93 and 555,939.05
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Solution
The fourth proportional to 943,245.81, 1,302,117.93 and 555,939.05 is: 767,454.45
Step by Step Solution
- Step 1: Write the proportion equation
943,245.81 : 1,302,117.93 = 555,939.05 : x - Step 2: Convert to fraction form
943,245.81/1,302,117.93 = 555,939.05/x - Step 3: Cross multiply
943,245.81x = 1,302,117.93 × 555,939.05 - Step 4: Simplify right side
943,245.81x = 723,898,198,481.58 - Step 5: Solve for x
x = 723,898,198,481.58/943,245.81 - Step 6: Final answer
x = 767,454.45
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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.