Finding the Fourth Proportional to 781,014.96, 1,169,861.20 and 460,821.74
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Solution
The fourth proportional to 781,014.96, 1,169,861.20 and 460,821.74 is: 690,252.42
Step by Step Solution
- Step 1: Write the proportion equation
781,014.96 : 1,169,861.20 = 460,821.74 : x - Step 2: Convert to fraction form
781,014.96/1,169,861.20 = 460,821.74/x - Step 3: Cross multiply
781,014.96x = 1,169,861.20 × 460,821.74 - Step 4: Simplify right side
781,014.96x = 539,097,466,741.13 - Step 5: Solve for x
x = 539,097,466,741.13/781,014.96 - Step 6: Final answer
x = 690,252.42
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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.