Finding the Fourth Proportional to 660,940.68, 912,101.10 and 374,516.58
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Solution
The fourth proportional to 660,940.68, 912,101.10 and 374,516.58 is: 516,834.56
Step by Step Solution
- Step 1: Write the proportion equation
660,940.68 : 912,101.10 = 374,516.58 : x - Step 2: Convert to fraction form
660,940.68/912,101.10 = 374,516.58/x - Step 3: Cross multiply
660,940.68x = 912,101.10 × 374,516.58 - Step 4: Simplify right side
660,940.68x = 341,596,984,586.24 - Step 5: Solve for x
x = 341,596,984,586.24/660,940.68 - Step 6: Final answer
x = 516,834.56
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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.