Finding the Fourth Proportional to 771,110.26, 1,154,653.34 and 620,528.02
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Solution
The fourth proportional to 771,110.26, 1,154,653.34 and 620,528.02 is: 929,172.89
Step by Step Solution
- Step 1: Write the proportion equation
771,110.26 : 1,154,653.34 = 620,528.02 : x - Step 2: Convert to fraction form
771,110.26/1,154,653.34 = 620,528.02/x - Step 3: Cross multiply
771,110.26x = 1,154,653.34 × 620,528.02 - Step 4: Simplify right side
771,110.26x = 716,494,750,856.59 - Step 5: Solve for x
x = 716,494,750,856.59/771,110.26 - Step 6: Final answer
x = 929,172.89
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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.