Finding the Fourth Proportional to 888,912.08, 1,226,727.96 and 486,504.08
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Solution
The fourth proportional to 888,912.08, 1,226,727.96 and 486,504.08 is: 671,391.66
Step by Step Solution
- Step 1: Write the proportion equation
888,912.08 : 1,226,727.96 = 486,504.08 : x - Step 2: Convert to fraction form
888,912.08/1,226,727.96 = 486,504.08/x - Step 3: Cross multiply
888,912.08x = 1,226,727.96 × 486,504.08 - Step 4: Simplify right side
888,912.08x = 596,808,157,590.08 - Step 5: Solve for x
x = 596,808,157,590.08/888,912.08 - Step 6: Final answer
x = 671,391.66
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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.