Finding the Fourth Proportional to 852,390.26, 1,176,293.12 and 470,417.07
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Solution
The fourth proportional to 852,390.26, 1,176,293.12 and 470,417.07 is: 649,172.56
Step by Step Solution
- Step 1: Write the proportion equation
852,390.26 : 1,176,293.12 = 470,417.07 : x - Step 2: Convert to fraction form
852,390.26/1,176,293.12 = 470,417.07/x - Step 3: Cross multiply
852,390.26x = 1,176,293.12 × 470,417.07 - Step 4: Simplify right side
852,390.26x = 553,348,362,971.56 - Step 5: Solve for x
x = 553,348,362,971.56/852,390.26 - Step 6: Final answer
x = 649,172.56
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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.