Finding the Fourth Proportional to 530,125.97, 731,573.57 and 288,408.26
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Solution
The fourth proportional to 530,125.97, 731,573.57 and 288,408.26 is: 398,003.26
Step by Step Solution
- Step 1: Write the proportion equation
530,125.97 : 731,573.57 = 288,408.26 : x - Step 2: Convert to fraction form
530,125.97/731,573.57 = 288,408.26/x - Step 3: Cross multiply
530,125.97x = 731,573.57 × 288,408.26 - Step 4: Simplify right side
530,125.97x = 210,991,862,935.64 - Step 5: Solve for x
x = 210,991,862,935.64/530,125.97 - Step 6: Final answer
x = 398,003.26
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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.