Finding the Fourth Proportional to 458,161.53, 630,020.87 and 397,627.08
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Solution
The fourth proportional to 458,161.53, 630,020.87 and 397,627.08 is: 546,779.56
Step by Step Solution
- Step 1: Write the proportion equation
458,161.53 : 630,020.87 = 397,627.08 : x - Step 2: Convert to fraction form
458,161.53/630,020.87 = 397,627.08/x - Step 3: Cross multiply
458,161.53x = 630,020.87 × 397,627.08 - Step 4: Simplify right side
458,161.53x = 250,513,358,877.16 - Step 5: Solve for x
x = 250,513,358,877.16/458,161.53 - Step 6: Final answer
x = 546,779.56
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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.