Finding the Fourth Proportional to 843,152.98, 1,264,731.63 and 344,516.98
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Solution
The fourth proportional to 843,152.98, 1,264,731.63 and 344,516.98 is: 516,776.35
Step by Step Solution
- Step 1: Write the proportion equation
843,152.98 : 1,264,731.63 = 344,516.98 : x - Step 2: Convert to fraction form
843,152.98/1,264,731.63 = 344,516.98/x - Step 3: Cross multiply
843,152.98x = 1,264,731.63 × 344,516.98 - Step 4: Simplify right side
843,152.98x = 435,721,521,678.08 - Step 5: Solve for x
x = 435,721,521,678.08/843,152.98 - Step 6: Final answer
x = 516,776.35
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1.5x scale
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.