Finding the Fourth Proportional to 471,587.11, 710,558.09 and 389,192.79
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Solution
The fourth proportional to 471,587.11, 710,558.09 and 389,192.79 is: 586,411.46
Step by Step Solution
- Step 1: Write the proportion equation
471,587.11 : 710,558.09 = 389,192.79 : x - Step 2: Convert to fraction form
471,587.11/710,558.09 = 389,192.79/x - Step 3: Cross multiply
471,587.11x = 710,558.09 × 389,192.79 - Step 4: Simplify right side
471,587.11x = 276,544,083,558.21 - Step 5: Solve for x
x = 276,544,083,558.21/471,587.11 - Step 6: Final answer
x = 586,411.46
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.