Finding the Fourth Proportional to 852,176.70, 1,176,028.27 and 470,228.09
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Solution
The fourth proportional to 852,176.70, 1,176,028.27 and 470,228.09 is: 648,928.23
Step by Step Solution
- Step 1: Write the proportion equation
852,176.70 : 1,176,028.27 = 470,228.09 : x - Step 2: Convert to fraction form
852,176.70/1,176,028.27 = 470,228.09/x - Step 3: Cross multiply
852,176.70x = 1,176,028.27 × 470,228.09 - Step 4: Simplify right side
852,176.70x = 553,001,520,132.39 - Step 5: Solve for x
x = 553,001,520,132.39/852,176.70 - Step 6: Final answer
x = 648,928.23
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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.