Finding the Fourth Proportional to 921,306.54, 1,374,752.94 and 825,561.05
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Solution
The fourth proportional to 921,306.54, 1,374,752.94 and 825,561.05 is: 1,231,883.66
Step by Step Solution
- Step 1: Write the proportion equation
921,306.54 : 1,374,752.94 = 825,561.05 : x - Step 2: Convert to fraction form
921,306.54/1,374,752.94 = 825,561.05/x - Step 3: Cross multiply
921,306.54x = 1,374,752.94 × 825,561.05 - Step 4: Simplify right side
921,306.54x = 1,134,942,473,763.22 - Step 5: Solve for x
x = 1,134,942,473,763.22/921,306.54 - Step 6: Final answer
x = 1,231,883.66
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.