Finding the Fourth Proportional to 989,740.80, 1,365,858.18 and 537,031.80
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Solution
The fourth proportional to 989,740.80, 1,365,858.18 and 537,031.80 is: 741,112.50
Step by Step Solution
- Step 1: Write the proportion equation
989,740.80 : 1,365,858.18 = 537,031.80 : x - Step 2: Convert to fraction form
989,740.80/1,365,858.18 = 537,031.80/x - Step 3: Cross multiply
989,740.80x = 1,365,858.18 × 537,031.80 - Step 4: Simplify right side
989,740.80x = 733,509,276,950.12 - Step 5: Solve for x
x = 733,509,276,950.12/989,740.80 - Step 6: Final answer
x = 741,112.50
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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.