Finding the Fourth Proportional to 634,828.26, 876,032.91 and 348,342.06
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Solution
The fourth proportional to 634,828.26, 876,032.91 and 348,342.06 is: 480,695.53
Step by Step Solution
- Step 1: Write the proportion equation
634,828.26 : 876,032.91 = 348,342.06 : x - Step 2: Convert to fraction form
634,828.26/876,032.91 = 348,342.06/x - Step 3: Cross multiply
634,828.26x = 876,032.91 × 348,342.06 - Step 4: Simplify right side
634,828.26x = 305,159,108,497.20 - Step 5: Solve for x
x = 305,159,108,497.20/634,828.26 - Step 6: Final answer
x = 480,695.53
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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.