Finding the Fourth Proportional to 652,340.96, 900,239.52 and 394,182.08
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Solution
The fourth proportional to 652,340.96, 900,239.52 and 394,182.08 is: 543,976.71
Step by Step Solution
- Step 1: Write the proportion equation
652,340.96 : 900,239.52 = 394,182.08 : x - Step 2: Convert to fraction form
652,340.96/900,239.52 = 394,182.08/x - Step 3: Cross multiply
652,340.96x = 900,239.52 × 394,182.08 - Step 4: Simplify right side
652,340.96x = 354,858,286,491.80 - Step 5: Solve for x
x = 354,858,286,491.80/652,340.96 - Step 6: Final answer
x = 543,976.71
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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.