Finding the Fourth Proportional to 852,698.57, 1,176,727.79 and 470,728.49
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Solution
The fourth proportional to 852,698.57, 1,176,727.79 and 470,728.49 is: 649,607.39
Step by Step Solution
- Step 1: Write the proportion equation
852,698.57 : 1,176,727.79 = 470,728.49 : x - Step 2: Convert to fraction form
852,698.57/1,176,727.79 = 470,728.49/x - Step 3: Cross multiply
852,698.57x = 1,176,727.79 × 470,728.49 - Step 4: Simplify right side
852,698.57x = 553,919,293,374.10 - Step 5: Solve for x
x = 553,919,293,374.10/852,698.57 - Step 6: Final answer
x = 649,607.39
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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.