Finding the Fourth Proportional to 747,636.16, 1,031,734.92 and 408,104.68
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Solution
The fourth proportional to 747,636.16, 1,031,734.92 and 408,104.68 is: 563,182.83
Step by Step Solution
- Step 1: Write the proportion equation
747,636.16 : 1,031,734.92 = 408,104.68 : x - Step 2: Convert to fraction form
747,636.16/1,031,734.92 = 408,104.68/x - Step 3: Cross multiply
747,636.16x = 1,031,734.92 × 408,104.68 - Step 4: Simplify right side
747,636.16x = 421,055,849,371.43 - Step 5: Solve for x
x = 421,055,849,371.43/747,636.16 - Step 6: Final answer
x = 563,182.83
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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.