Finding the Fourth Proportional to 703,729.64, 971,252.58 and 553,954.28
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Solution
The fourth proportional to 703,729.64, 971,252.58 and 553,954.28 is: 764,540.09
Step by Step Solution
- Step 1: Write the proportion equation
703,729.64 : 971,252.58 = 553,954.28 : x - Step 2: Convert to fraction form
703,729.64/971,252.58 = 553,954.28/x - Step 3: Cross multiply
703,729.64x = 971,252.58 × 553,954.28 - Step 4: Simplify right side
703,729.64x = 538,029,523,652.04 - Step 5: Solve for x
x = 538,029,523,652.04/703,729.64 - Step 6: Final answer
x = 764,540.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.