Finding the Fourth Proportional to 841,878.99, 1,263,316.71 and 309,773.69
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Solution
The fourth proportional to 841,878.99, 1,263,316.71 and 309,773.69 is: 464,843.85
Step by Step Solution
- Step 1: Write the proportion equation
841,878.99 : 1,263,316.71 = 309,773.69 : x - Step 2: Convert to fraction form
841,878.99/1,263,316.71 = 309,773.69/x - Step 3: Cross multiply
841,878.99x = 1,263,316.71 × 309,773.69 - Step 4: Simplify right side
841,878.99x = 391,342,272,578.78 - Step 5: Solve for x
x = 391,342,272,578.78/841,878.99 - Step 6: Final answer
x = 464,843.85
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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.