Finding the Fourth Proportional to 768,808.80, 1,153,323.26 and 236,374.53
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Solution
The fourth proportional to 768,808.80, 1,153,323.26 and 236,374.53 is: 354,595.63
Step by Step Solution
- Step 1: Write the proportion equation
768,808.80 : 1,153,323.26 = 236,374.53 : x - Step 2: Convert to fraction form
768,808.80/1,153,323.26 = 236,374.53/x - Step 3: Cross multiply
768,808.80x = 1,153,323.26 × 236,374.53 - Step 4: Simplify right side
768,808.80x = 272,616,243,520.57 - Step 5: Solve for x
x = 272,616,243,520.57/768,808.80 - Step 6: Final answer
x = 354,595.63
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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.