Finding the Fourth Proportional to 454,848.19, 681,718.84 and 321,766.81
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Solution
The fourth proportional to 454,848.19, 681,718.84 and 321,766.81 is: 482,258.70
Step by Step Solution
- Step 1: Write the proportion equation
454,848.19 : 681,718.84 = 321,766.81 : x - Step 2: Convert to fraction form
454,848.19/681,718.84 = 321,766.81/x - Step 3: Cross multiply
454,848.19x = 681,718.84 × 321,766.81 - Step 4: Simplify right side
454,848.19x = 219,354,496,463.70 - Step 5: Solve for x
x = 219,354,496,463.70/454,848.19 - Step 6: Final answer
x = 482,258.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.