Finding the Fourth Proportional to 755,152.12, 1,042,102.02 and 415,613.08
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Solution
The fourth proportional to 755,152.12, 1,042,102.02 and 415,613.08 is: 573,541.70
Step by Step Solution
- Step 1: Write the proportion equation
755,152.12 : 1,042,102.02 = 415,613.08 : x - Step 2: Convert to fraction form
755,152.12/1,042,102.02 = 415,613.08/x - Step 3: Cross multiply
755,152.12x = 1,042,102.02 × 415,613.08 - Step 4: Simplify right side
755,152.12x = 433,111,230,206.42 - Step 5: Solve for x
x = 433,111,230,206.42/755,152.12 - Step 6: Final answer
x = 573,541.70
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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.