Finding the Fourth Proportional to 620,006.24, 855,579.48 and 344,381.98
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Solution
The fourth proportional to 620,006.24, 855,579.48 and 344,381.98 is: 475,230.95
Step by Step Solution
- Step 1: Write the proportion equation
620,006.24 : 855,579.48 = 344,381.98 : x - Step 2: Convert to fraction form
620,006.24/855,579.48 = 344,381.98/x - Step 3: Cross multiply
620,006.24x = 855,579.48 × 344,381.98 - Step 4: Simplify right side
620,006.24x = 294,646,155,369.77 - Step 5: Solve for x
x = 294,646,155,369.77/620,006.24 - Step 6: Final answer
x = 475,230.95
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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.