Finding the Fourth Proportional to 947,471.06, 1,307,527.18 and 517,769.30
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Solution
The fourth proportional to 947,471.06, 1,307,527.18 and 517,769.30 is: 714,530.99
Step by Step Solution
- Step 1: Write the proportion equation
947,471.06 : 1,307,527.18 = 517,769.30 : x - Step 2: Convert to fraction form
947,471.06/1,307,527.18 = 517,769.30/x - Step 3: Cross multiply
947,471.06x = 1,307,527.18 × 517,769.30 - Step 4: Simplify right side
947,471.06x = 676,997,432,719.57 - Step 5: Solve for x
x = 676,997,432,719.57/947,471.06 - Step 6: Final answer
x = 714,530.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.