Finding the Fourth Proportional to 852,579.12, 1,176,559.24 and 470,606
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Solution
The fourth proportional to 852,579.12, 1,176,559.24 and 470,606 is: 649,436.31
Step by Step Solution
- Step 1: Write the proportion equation
852,579.12 : 1,176,559.24 = 470,606 : x - Step 2: Convert to fraction form
852,579.12/1,176,559.24 = 470,606/x - Step 3: Cross multiply
852,579.12x = 1,176,559.24 × 470,606 - Step 4: Simplify right side
852,579.12x = 553,695,837,699.44 - Step 5: Solve for x
x = 553,695,837,699.44/852,579.12 - Step 6: Final answer
x = 649,436.31
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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.