Finding the Fourth Proportional to 622,368.20, 931,478.70 and 547,718.60
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Solution
The fourth proportional to 622,368.20, 931,478.70 and 547,718.60 is: 819,753.02
Step by Step Solution
- Step 1: Write the proportion equation
622,368.20 : 931,478.70 = 547,718.60 : x - Step 2: Convert to fraction form
622,368.20/931,478.70 = 547,718.60/x - Step 3: Cross multiply
622,368.20x = 931,478.70 × 547,718.60 - Step 4: Simplify right side
622,368.20x = 510,188,209,493.82 - Step 5: Solve for x
x = 510,188,209,493.82/622,368.20 - Step 6: Final answer
x = 819,753.02
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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.