Finding the Fourth Proportional to 503,828.61, 695,426.51 and 331,872.09
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Solution
The fourth proportional to 503,828.61, 695,426.51 and 331,872.09 is: 458,077.70
Step by Step Solution
- Step 1: Write the proportion equation
503,828.61 : 695,426.51 = 331,872.09 : x - Step 2: Convert to fraction form
503,828.61/695,426.51 = 331,872.09/x - Step 3: Cross multiply
503,828.61x = 695,426.51 × 331,872.09 - Step 4: Simplify right side
503,828.61x = 230,792,647,536.94 - Step 5: Solve for x
x = 230,792,647,536.94/503,828.61 - Step 6: Final answer
x = 458,077.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.