Finding the Fourth Proportional to 488,756.07, 732,674.43 and 263,779.38
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Solution
The fourth proportional to 488,756.07, 732,674.43 and 263,779.38 is: 395,420.99
Step by Step Solution
- Step 1: Write the proportion equation
488,756.07 : 732,674.43 = 263,779.38 : x - Step 2: Convert to fraction form
488,756.07/732,674.43 = 263,779.38/x - Step 3: Cross multiply
488,756.07x = 732,674.43 × 263,779.38 - Step 4: Simplify right side
488,756.07x = 193,264,406,887.25 - Step 5: Solve for x
x = 193,264,406,887.25/488,756.07 - Step 6: Final answer
x = 395,420.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.