Finding the Fourth Proportional to 884,559.94, 1,220,399.05 and 720,935.08
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Solution
The fourth proportional to 884,559.94, 1,220,399.05 and 720,935.08 is: 994,651.07
Step by Step Solution
- Step 1: Write the proportion equation
884,559.94 : 1,220,399.05 = 720,935.08 : x - Step 2: Convert to fraction form
884,559.94/1,220,399.05 = 720,935.08/x - Step 3: Cross multiply
884,559.94x = 1,220,399.05 × 720,935.08 - Step 4: Simplify right side
884,559.94x = 879,828,486,743.67 - Step 5: Solve for x
x = 879,828,486,743.67/884,559.94 - Step 6: Final answer
x = 994,651.07
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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.