Finding the Fourth Proportional to 641,292.36, 884,768.55 and 369,354.81
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Solution
The fourth proportional to 641,292.36, 884,768.55 and 369,354.81 is: 509,585.86
Step by Step Solution
- Step 1: Write the proportion equation
641,292.36 : 884,768.55 = 369,354.81 : x - Step 2: Convert to fraction form
641,292.36/884,768.55 = 369,354.81/x - Step 3: Cross multiply
641,292.36x = 884,768.55 × 369,354.81 - Step 4: Simplify right side
641,292.36x = 326,793,519,679.23 - Step 5: Solve for x
x = 326,793,519,679.23/641,292.36 - Step 6: Final answer
x = 509,585.86
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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.