Finding the Fourth Proportional to 865,008.63, 1,193,748.15 and 497,486.02
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Solution
The fourth proportional to 865,008.63, 1,193,748.15 and 497,486.02 is: 686,551.54
Step by Step Solution
- Step 1: Write the proportion equation
865,008.63 : 1,193,748.15 = 497,486.02 : x - Step 2: Convert to fraction form
865,008.63/1,193,748.15 = 497,486.02/x - Step 3: Cross multiply
865,008.63x = 1,193,748.15 × 497,486.02 - Step 4: Simplify right side
865,008.63x = 593,873,007,569.69 - Step 5: Solve for x
x = 593,873,007,569.69/865,008.63 - Step 6: Final answer
x = 686,551.54
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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.