Finding the Fourth Proportional to 575,428.24, 794,138.24 and 317,355.66
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Solution
The fourth proportional to 575,428.24, 794,138.24 and 317,355.66 is: 437,976.87
Step by Step Solution
- Step 1: Write the proportion equation
575,428.24 : 794,138.24 = 317,355.66 : x - Step 2: Convert to fraction form
575,428.24/794,138.24 = 317,355.66/x - Step 3: Cross multiply
575,428.24x = 794,138.24 × 317,355.66 - Step 4: Simplify right side
575,428.24x = 252,024,259,728.97 - Step 5: Solve for x
x = 252,024,259,728.97/575,428.24 - Step 6: Final answer
x = 437,976.87
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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.