Finding the Fourth Proportional to 530,824.26, 795,448.81 and 389,893.98
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Solution
The fourth proportional to 530,824.26, 795,448.81 and 389,893.98 is: 584,262.49
Step by Step Solution
- Step 1: Write the proportion equation
530,824.26 : 795,448.81 = 389,893.98 : x - Step 2: Convert to fraction form
530,824.26/795,448.81 = 389,893.98/x - Step 3: Cross multiply
530,824.26x = 795,448.81 × 389,893.98 - Step 4: Simplify right side
530,824.26x = 310,140,703,694.31 - Step 5: Solve for x
x = 310,140,703,694.31/530,824.26 - Step 6: Final answer
x = 584,262.49
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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.