Finding the Fourth Proportional to 786,467.97, 1,177,164.37 and 406,866.13
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Solution
The fourth proportional to 786,467.97, 1,177,164.37 and 406,866.13 is: 608,986.42
Step by Step Solution
- Step 1: Write the proportion equation
786,467.97 : 1,177,164.37 = 406,866.13 : x - Step 2: Convert to fraction form
786,467.97/1,177,164.37 = 406,866.13/x - Step 3: Cross multiply
786,467.97x = 1,177,164.37 × 406,866.13 - Step 4: Simplify right side
786,467.97x = 478,948,311,595.79 - Step 5: Solve for x
x = 478,948,311,595.79/786,467.97 - Step 6: Final answer
x = 608,986.42
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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.