Finding the Fourth Proportional to 875,393.00, 1,208,135.22 and 513,121.23
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Solution
The fourth proportional to 875,393.00, 1,208,135.22 and 513,121.23 is: 708,161.74
Step by Step Solution
- Step 1: Write the proportion equation
875,393.00 : 1,208,135.22 = 513,121.23 : x - Step 2: Convert to fraction form
875,393.00/1,208,135.22 = 513,121.23/x - Step 3: Cross multiply
875,393.00x = 1,208,135.22 × 513,121.23 - Step 4: Simplify right side
875,393.00x = 619,919,827,527.12 - Step 5: Solve for x
x = 619,919,827,527.12/875,393.00 - Step 6: Final answer
x = 708,161.74
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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.