Finding the Fourth Proportional to 776,183.62, 1,070,741.46 and 453,683.02
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Solution
The fourth proportional to 776,183.62, 1,070,741.46 and 453,683.02 is: 625,853.48
Step by Step Solution
- Step 1: Write the proportion equation
776,183.62 : 1,070,741.46 = 453,683.02 : x - Step 2: Convert to fraction form
776,183.62/1,070,741.46 = 453,683.02/x - Step 3: Cross multiply
776,183.62x = 1,070,741.46 × 453,683.02 - Step 4: Simplify right side
776,183.62x = 485,777,219,212.01 - Step 5: Solve for x
x = 485,777,219,212.01/776,183.62 - Step 6: Final answer
x = 625,853.48
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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.