Finding the Fourth Proportional to 711,422.26, 981,752.01 and 424,886.99
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Solution
The fourth proportional to 711,422.26, 981,752.01 and 424,886.99 is: 586,337.65
Step by Step Solution
- Step 1: Write the proportion equation
711,422.26 : 981,752.01 = 424,886.99 : x - Step 2: Convert to fraction form
711,422.26/981,752.01 = 424,886.99/x - Step 3: Cross multiply
711,422.26x = 981,752.01 × 424,886.99 - Step 4: Simplify right side
711,422.26x = 417,133,656,455.35 - Step 5: Solve for x
x = 417,133,656,455.35/711,422.26 - Step 6: Final answer
x = 586,337.65
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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.