Finding the Fourth Proportional to 852,724.06, 1,176,728.36 and 470,742.64
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Solution
The fourth proportional to 852,724.06, 1,176,728.36 and 470,742.64 is: 649,607.82
Step by Step Solution
- Step 1: Write the proportion equation
852,724.06 : 1,176,728.36 = 470,742.64 : x - Step 2: Convert to fraction form
852,724.06/1,176,728.36 = 470,742.64/x - Step 3: Cross multiply
852,724.06x = 1,176,728.36 × 470,742.64 - Step 4: Simplify right side
852,724.06x = 553,936,215,043.65 - Step 5: Solve for x
x = 553,936,215,043.65/852,724.06 - Step 6: Final answer
x = 649,607.82
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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.