Finding the Fourth Proportional to 825,678.24, 1,138,381.08 and 534,775.92
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Solution
The fourth proportional to 825,678.24, 1,138,381.08 and 534,775.92 is: 737,307.54
Step by Step Solution
- Step 1: Write the proportion equation
825,678.24 : 1,138,381.08 = 534,775.92 : x - Step 2: Convert to fraction form
825,678.24/1,138,381.08 = 534,775.92/x - Step 3: Cross multiply
825,678.24x = 1,138,381.08 × 534,775.92 - Step 4: Simplify right side
825,678.24x = 608,778,789,367.59 - Step 5: Solve for x
x = 608,778,789,367.59/825,678.24 - Step 6: Final answer
x = 737,307.54
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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.