Finding the Fourth Proportional to 652,332.96, 900,228.48 and 394,174.08
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Solution
The fourth proportional to 652,332.96, 900,228.48 and 394,174.08 is: 543,965.67
Step by Step Solution
- Step 1: Write the proportion equation
652,332.96 : 900,228.48 = 394,174.08 : x - Step 2: Convert to fraction form
652,332.96/900,228.48 = 394,174.08/x - Step 3: Cross multiply
652,332.96x = 900,228.48 × 394,174.08 - Step 4: Simplify right side
652,332.96x = 354,846,732,893.80 - Step 5: Solve for x
x = 354,846,732,893.80/652,332.96 - Step 6: Final answer
x = 543,965.67
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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.