Finding the Fourth Proportional to 943,762.68, 1,302,677.10 and 642,131.64
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Solution
The fourth proportional to 943,762.68, 1,302,677.10 and 642,131.64 is: 886,335.30
Step by Step Solution
- Step 1: Write the proportion equation
943,762.68 : 1,302,677.10 = 642,131.64 : x - Step 2: Convert to fraction form
943,762.68/1,302,677.10 = 642,131.64/x - Step 3: Cross multiply
943,762.68x = 1,302,677.10 × 642,131.64 - Step 4: Simplify right side
943,762.68x = 836,490,182,613.44 - Step 5: Solve for x
x = 836,490,182,613.44/943,762.68 - Step 6: Final answer
x = 886,335.30
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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.