Finding the Fourth Proportional to 711,421.26, 981,750.63 and 424,885.99
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Solution
The fourth proportional to 711,421.26, 981,750.63 and 424,885.99 is: 586,336.27
Step by Step Solution
- Step 1: Write the proportion equation
711,421.26 : 981,750.63 = 424,885.99 : x - Step 2: Convert to fraction form
711,421.26/981,750.63 = 424,885.99/x - Step 3: Cross multiply
711,421.26x = 981,750.63 × 424,885.99 - Step 4: Simplify right side
711,421.26x = 417,132,083,451.92 - Step 5: Solve for x
x = 417,132,083,451.92/711,421.26 - Step 6: Final answer
x = 586,336.27
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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.