Finding the Fourth Proportional to 620,257.27, 855,951.79 and 348,336.63
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Solution
The fourth proportional to 620,257.27, 855,951.79 and 348,336.63 is: 480,702.72
Step by Step Solution
- Step 1: Write the proportion equation
620,257.27 : 855,951.79 = 348,336.63 : x - Step 2: Convert to fraction form
620,257.27/855,951.79 = 348,336.63/x - Step 3: Cross multiply
620,257.27x = 855,951.79 × 348,336.63 - Step 4: Simplify right side
620,257.27x = 298,159,357,691.31 - Step 5: Solve for x
x = 298,159,357,691.31/620,257.27 - Step 6: Final answer
x = 480,702.72
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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.