Finding the Fourth Proportional to 976,868.48, 1,348,104.80 and 547,139.18
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Solution
The fourth proportional to 976,868.48, 1,348,104.80 and 547,139.18 is: 755,066.80
Step by Step Solution
- Step 1: Write the proportion equation
976,868.48 : 1,348,104.80 = 547,139.18 : x - Step 2: Convert to fraction form
976,868.48/1,348,104.80 = 547,139.18/x - Step 3: Cross multiply
976,868.48x = 1,348,104.80 × 547,139.18 - Step 4: Simplify right side
976,868.48x = 737,600,954,826.06 - Step 5: Solve for x
x = 737,600,954,826.06/976,868.48 - Step 6: Final answer
x = 755,066.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.