Finding the Fourth Proportional to 704,516.97, 972,325.05 and 394,537.59
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Solution
The fourth proportional to 704,516.97, 972,325.05 and 394,537.59 is: 544,513.19
Step by Step Solution
- Step 1: Write the proportion equation
704,516.97 : 972,325.05 = 394,537.59 : x - Step 2: Convert to fraction form
704,516.97/972,325.05 = 394,537.59/x - Step 3: Cross multiply
704,516.97x = 972,325.05 × 394,537.59 - Step 4: Simplify right side
704,516.97x = 383,618,781,923.63 - Step 5: Solve for x
x = 383,618,781,923.63/704,516.97 - Step 6: Final answer
x = 544,513.19
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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.