Finding the Fourth Proportional to 902,950.28, 1,246,023.71 and 515,689.08
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Solution
The fourth proportional to 902,950.28, 1,246,023.71 and 515,689.08 is: 711,623.70
Step by Step Solution
- Step 1: Write the proportion equation
902,950.28 : 1,246,023.71 = 515,689.08 : x - Step 2: Convert to fraction form
902,950.28/1,246,023.71 = 515,689.08/x - Step 3: Cross multiply
902,950.28x = 1,246,023.71 × 515,689.08 - Step 4: Simplify right side
902,950.28x = 642,560,822,359.77 - Step 5: Solve for x
x = 642,560,822,359.77/902,950.28 - Step 6: Final answer
x = 711,623.70
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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.