Finding the Fourth Proportional to 556,115.96, 767,169.42 and 329,601.08
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Solution
The fourth proportional to 556,115.96, 767,169.42 and 329,601.08 is: 454,689.11
Step by Step Solution
- Step 1: Write the proportion equation
556,115.96 : 767,169.42 = 329,601.08 : x - Step 2: Convert to fraction form
556,115.96/767,169.42 = 329,601.08/x - Step 3: Cross multiply
556,115.96x = 767,169.42 × 329,601.08 - Step 4: Simplify right side
556,115.96x = 252,859,869,374.97 - Step 5: Solve for x
x = 252,859,869,374.97/556,115.96 - Step 6: Final answer
x = 454,689.11
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1.5x scale
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.