Finding the Fourth Proportional to 788,107.63, 1,182,327.49 and 255,587.14
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Solution
The fourth proportional to 788,107.63, 1,182,327.49 and 255,587.14 is: 383,434.55
Step by Step Solution
- Step 1: Write the proportion equation
788,107.63 : 1,182,327.49 = 255,587.14 : x - Step 2: Convert to fraction form
788,107.63/1,182,327.49 = 255,587.14/x - Step 3: Cross multiply
788,107.63x = 1,182,327.49 × 255,587.14 - Step 4: Simplify right side
788,107.63x = 302,187,696,439.81 - Step 5: Solve for x
x = 302,187,696,439.81/788,107.63 - Step 6: Final answer
x = 383,434.55
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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.