Finding the Fourth Proportional to 836,521.42, 1,154,406.84 and 454,548.18
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Solution
The fourth proportional to 836,521.42, 1,154,406.84 and 454,548.18 is: 627,280.44
Step by Step Solution
- Step 1: Write the proportion equation
836,521.42 : 1,154,406.84 = 454,548.18 : x - Step 2: Convert to fraction form
836,521.42/1,154,406.84 = 454,548.18/x - Step 3: Cross multiply
836,521.42x = 1,154,406.84 × 454,548.18 - Step 4: Simplify right side
836,521.42x = 524,733,528,101.55 - Step 5: Solve for x
x = 524,733,528,101.55/836,521.42 - Step 6: Final answer
x = 627,280.44
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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.