Finding the Fourth Proportional to 943,672.23, 1,302,384.91 and 535,905.05
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Solution
The fourth proportional to 943,672.23, 1,302,384.91 and 535,905.05 is: 739,615.55
Step by Step Solution
- Step 1: Write the proportion equation
943,672.23 : 1,302,384.91 = 535,905.05 : x - Step 2: Convert to fraction form
943,672.23/1,302,384.91 = 535,905.05/x - Step 3: Cross multiply
943,672.23x = 1,302,384.91 × 535,905.05 - Step 4: Simplify right side
943,672.23x = 697,954,652,229.00 - Step 5: Solve for x
x = 697,954,652,229.00/943,672.23 - Step 6: Final answer
x = 739,615.55
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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.