Finding the Fourth Proportional to 865,101.84, 1,193,874.69 and 497,578.39
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Solution
The fourth proportional to 865,101.84, 1,193,874.69 and 497,578.39 is: 686,677.82
Step by Step Solution
- Step 1: Write the proportion equation
865,101.84 : 1,193,874.69 = 497,578.39 : x - Step 2: Convert to fraction form
865,101.84/1,193,874.69 = 497,578.39/x - Step 3: Cross multiply
865,101.84x = 1,193,874.69 × 497,578.39 - Step 4: Simplify right side
865,101.84x = 594,046,243,499.86 - Step 5: Solve for x
x = 594,046,243,499.86/865,101.84 - Step 6: Final answer
x = 686,677.82
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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.