Finding the Fourth Proportional to 569,716.89, 786,177.36 and 311,542.62
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Solution
The fourth proportional to 569,716.89, 786,177.36 and 311,542.62 is: 429,911.35
Step by Step Solution
- Step 1: Write the proportion equation
569,716.89 : 786,177.36 = 311,542.62 : x - Step 2: Convert to fraction form
569,716.89/786,177.36 = 311,542.62/x - Step 3: Cross multiply
569,716.89x = 786,177.36 × 311,542.62 - Step 4: Simplify right side
569,716.89x = 244,927,754,519.08 - Step 5: Solve for x
x = 244,927,754,519.08/569,716.89 - Step 6: Final answer
x = 429,911.35
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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.