Finding the Fourth Proportional to 727,718.70, 1,020,905.70 and 727,718.70
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Solution
The fourth proportional to 727,718.70, 1,020,905.70 and 727,718.70 is: 1,020,905.70
Step by Step Solution
- Step 1: Write the proportion equation
727,718.70 : 1,020,905.70 = 727,718.70 : x - Step 2: Convert to fraction form
727,718.70/1,020,905.70 = 727,718.70/x - Step 3: Cross multiply
727,718.70x = 1,020,905.70 × 727,718.70 - Step 4: Simplify right side
727,718.70x = 742,932,168,826.59 - Step 5: Solve for x
x = 742,932,168,826.59/727,718.70 - Step 6: Final answer
x = 1,020,905.70
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.