Finding the Fourth Proportional to 747,511.92, 1,031,684.58 and 475,296.03
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Solution
The fourth proportional to 747,511.92, 1,031,684.58 and 475,296.03 is: 655,983.63
Step by Step Solution
- Step 1: Write the proportion equation
747,511.92 : 1,031,684.58 = 475,296.03 : x - Step 2: Convert to fraction form
747,511.92/1,031,684.58 = 475,296.03/x - Step 3: Cross multiply
747,511.92x = 1,031,684.58 × 475,296.03 - Step 4: Simplify right side
747,511.92x = 490,355,585,086.22 - Step 5: Solve for x
x = 490,355,585,086.22/747,511.92 - Step 6: Final answer
x = 655,983.63
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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.