Finding the Fourth Proportional to 986,955.75, 1,480,574.99 and 303,900.53
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Solution
The fourth proportional to 986,955.75, 1,480,574.99 and 303,900.53 is: 455,894.32
Step by Step Solution
- Step 1: Write the proportion equation
986,955.75 : 1,480,574.99 = 303,900.53 : x - Step 2: Convert to fraction form
986,955.75/1,480,574.99 = 303,900.53/x - Step 3: Cross multiply
986,955.75x = 1,480,574.99 × 303,900.53 - Step 4: Simplify right side
986,955.75x = 449,947,517,522.62 - Step 5: Solve for x
x = 449,947,517,522.62/986,955.75 - Step 6: Final answer
x = 455,894.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.