Finding the Fourth Proportional to 989,844.84, 1,365,989.40 and 537,135.84
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Solution
The fourth proportional to 989,844.84, 1,365,989.40 and 537,135.84 is: 741,249.37
Step by Step Solution
- Step 1: Write the proportion equation
989,844.84 : 1,365,989.40 = 537,135.84 : x - Step 2: Convert to fraction form
989,844.84/1,365,989.40 = 537,135.84/x - Step 3: Cross multiply
989,844.84x = 1,365,989.40 × 537,135.84 - Step 4: Simplify right side
989,844.84x = 733,721,863,800.10 - Step 5: Solve for x
x = 733,721,863,800.10/989,844.84 - Step 6: Final answer
x = 741,249.37
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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.