Finding the Fourth Proportional to 865,858.52, 1,292,447.14 and 763,595.12
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Solution
The fourth proportional to 865,858.52, 1,292,447.14 and 763,595.12 is: 1,139,800.91
Step by Step Solution
- Step 1: Write the proportion equation
865,858.52 : 1,292,447.14 = 763,595.12 : x - Step 2: Convert to fraction form
865,858.52/1,292,447.14 = 763,595.12/x - Step 3: Cross multiply
865,858.52x = 1,292,447.14 × 763,595.12 - Step 4: Simplify right side
865,858.52x = 986,906,328,961.96 - Step 5: Solve for x
x = 986,906,328,961.96/865,858.52 - Step 6: Final answer
x = 1,139,800.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.