Finding the Fourth Proportional to 989,515.02, 1,364,826.75 and 908,106.18
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Solution
The fourth proportional to 989,515.02, 1,364,826.75 and 908,106.18 is: 1,252,540.47
Step by Step Solution
- Step 1: Write the proportion equation
989,515.02 : 1,364,826.75 = 908,106.18 : x - Step 2: Convert to fraction form
989,515.02/1,364,826.75 = 908,106.18/x - Step 3: Cross multiply
989,515.02x = 1,364,826.75 × 908,106.18 - Step 4: Simplify right side
989,515.02x = 1,239,407,606,304.32 - Step 5: Solve for x
x = 1,239,407,606,304.32/989,515.02 - Step 6: Final answer
x = 1,252,540.47
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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.