Finding the Fourth Proportional to 463,435.42, 639,211.08 and 425,318.08
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Solution
The fourth proportional to 463,435.42, 639,211.08 and 425,318.08 is: 586,636.28
Step by Step Solution
- Step 1: Write the proportion equation
463,435.42 : 639,211.08 = 425,318.08 : x - Step 2: Convert to fraction form
463,435.42/639,211.08 = 425,318.08/x - Step 3: Cross multiply
463,435.42x = 639,211.08 × 425,318.08 - Step 4: Simplify right side
463,435.42x = 271,868,029,260.33 - Step 5: Solve for x
x = 271,868,029,260.33/463,435.42 - Step 6: Final answer
x = 586,636.28
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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.