Finding the Fourth Proportional to 783,561.23, 1,175,343.68 and 214,950.58
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Solution
The fourth proportional to 783,561.23, 1,175,343.68 and 214,950.58 is: 322,426.37
Step by Step Solution
- Step 1: Write the proportion equation
783,561.23 : 1,175,343.68 = 214,950.58 : x - Step 2: Convert to fraction form
783,561.23/1,175,343.68 = 214,950.58/x - Step 3: Cross multiply
783,561.23x = 1,175,343.68 × 214,950.58 - Step 4: Simplify right side
783,561.23x = 252,640,803,314.35 - Step 5: Solve for x
x = 252,640,803,314.35/783,561.23 - Step 6: Final answer
x = 322,426.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.