Finding the Fourth Proportional to 863,011.17, 1,292,601.50 and 558,425.97
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Solution
The fourth proportional to 863,011.17, 1,292,601.50 and 558,425.97 is: 836,399.65
Step by Step Solution
- Step 1: Write the proportion equation
863,011.17 : 1,292,601.50 = 558,425.97 : x - Step 2: Convert to fraction form
863,011.17/1,292,601.50 = 558,425.97/x - Step 3: Cross multiply
863,011.17x = 1,292,601.50 × 558,425.97 - Step 4: Simplify right side
863,011.17x = 721,822,243,668.83 - Step 5: Solve for x
x = 721,822,243,668.83/863,011.17 - Step 6: Final answer
x = 836,399.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.