Finding the Fourth Proportional to 790,962.44, 1,091,624.08 and 446,812.88
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Solution
The fourth proportional to 790,962.44, 1,091,624.08 and 446,812.88 is: 616,655.96
Step by Step Solution
- Step 1: Write the proportion equation
790,962.44 : 1,091,624.08 = 446,812.88 : x - Step 2: Convert to fraction form
790,962.44/1,091,624.08 = 446,812.88/x - Step 3: Cross multiply
790,962.44x = 1,091,624.08 × 446,812.88 - Step 4: Simplify right side
790,962.44x = 487,751,699,062.15 - Step 5: Solve for x
x = 487,751,699,062.15/790,962.44 - Step 6: Final answer
x = 616,655.96
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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.