Finding the Fourth Proportional to 620,257.52, 855,952.14 and 348,336.88
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Solution
The fourth proportional to 620,257.52, 855,952.14 and 348,336.88 is: 480,703.07
Step by Step Solution
- Step 1: Write the proportion equation
620,257.52 : 855,952.14 = 348,336.88 : x - Step 2: Convert to fraction form
620,257.52/855,952.14 = 348,336.88/x - Step 3: Cross multiply
620,257.52x = 855,952.14 × 348,336.88 - Step 4: Simplify right side
620,257.52x = 298,159,691,855.48 - Step 5: Solve for x
x = 298,159,691,855.48/620,257.52 - Step 6: Final answer
x = 480,703.07
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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.