Finding the Fourth Proportional to 845,442.26, 1,166,683.20 and 463,460.84
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Solution
The fourth proportional to 845,442.26, 1,166,683.20 and 463,460.84 is: 639,561.09
Step by Step Solution
- Step 1: Write the proportion equation
845,442.26 : 1,166,683.20 = 463,460.84 : x - Step 2: Convert to fraction form
845,442.26/1,166,683.20 = 463,460.84/x - Step 3: Cross multiply
845,442.26x = 1,166,683.20 × 463,460.84 - Step 4: Simplify right side
845,442.26x = 540,711,975,885.89 - Step 5: Solve for x
x = 540,711,975,885.89/845,442.26 - Step 6: Final answer
x = 639,561.09
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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.