Finding the Fourth Proportional to 836,701.32, 1,154,656.74 and 454,728.12
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Solution
The fourth proportional to 836,701.32, 1,154,656.74 and 454,728.12 is: 627,529.65
Step by Step Solution
- Step 1: Write the proportion equation
836,701.32 : 1,154,656.74 = 454,728.12 : x - Step 2: Convert to fraction form
836,701.32/1,154,656.74 = 454,728.12/x - Step 3: Cross multiply
836,701.32x = 1,154,656.74 × 454,728.12 - Step 4: Simplify right side
836,701.32x = 525,054,888,625.53 - Step 5: Solve for x
x = 525,054,888,625.53/836,701.32 - Step 6: Final answer
x = 627,529.65
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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.