Finding the Fourth Proportional to 478,837.19, 716,481.60 and 383,779.06
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Solution
The fourth proportional to 478,837.19, 716,481.60 and 383,779.06 is: 574,246.61
Step by Step Solution
- Step 1: Write the proportion equation
478,837.19 : 716,481.60 = 383,779.06 : x - Step 2: Convert to fraction form
478,837.19/716,481.60 = 383,779.06/x - Step 3: Cross multiply
478,837.19x = 716,481.60 × 383,779.06 - Step 4: Simplify right side
478,837.19x = 274,970,634,955.30 - Step 5: Solve for x
x = 274,970,634,955.30/478,837.19 - Step 6: Final answer
x = 574,246.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.