Finding the Fourth Proportional to 890,154.18, 1,336,987.35 and 764,818.02
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Solution
The fourth proportional to 890,154.18, 1,336,987.35 and 764,818.02 is: 1,148,735.85
Step by Step Solution
- Step 1: Write the proportion equation
890,154.18 : 1,336,987.35 = 764,818.02 : x - Step 2: Convert to fraction form
890,154.18/1,336,987.35 = 764,818.02/x - Step 3: Cross multiply
890,154.18x = 1,336,987.35 × 764,818.02 - Step 4: Simplify right side
890,154.18x = 1,022,552,017,792.05 - Step 5: Solve for x
x = 1,022,552,017,792.05/890,154.18 - Step 6: Final answer
x = 1,148,735.85
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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.