Finding the Fourth Proportional to 620,068.23, 855,704.66 and 344,418.75
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Solution
The fourth proportional to 620,068.23, 855,704.66 and 344,418.75 is: 475,303.71
Step by Step Solution
- Step 1: Write the proportion equation
620,068.23 : 855,704.66 = 344,418.75 : x - Step 2: Convert to fraction form
620,068.23/855,704.66 = 344,418.75/x - Step 3: Cross multiply
620,068.23x = 855,704.66 × 344,418.75 - Step 4: Simplify right side
620,068.23x = 294,720,727,644.28 - Step 5: Solve for x
x = 294,720,727,644.28/620,068.23 - Step 6: Final answer
x = 475,303.71
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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.