Finding the Fourth Proportional to 760,573.68, 1,048,775.49 and 641,032.26
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Solution
The fourth proportional to 760,573.68, 1,048,775.49 and 641,032.26 is: 883,936.61
Step by Step Solution
- Step 1: Write the proportion equation
760,573.68 : 1,048,775.49 = 641,032.26 : x - Step 2: Convert to fraction form
760,573.68/1,048,775.49 = 641,032.26/x - Step 3: Cross multiply
760,573.68x = 1,048,775.49 × 641,032.26 - Step 4: Simplify right side
760,573.68x = 672,298,922,587.31 - Step 5: Solve for x
x = 672,298,922,587.31/760,573.68 - Step 6: Final answer
x = 883,936.61
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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.