Finding the Fourth Proportional to 852,658.24, 1,176,671.20 and 470,684.12
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Solution
The fourth proportional to 852,658.24, 1,176,671.20 and 470,684.12 is: 649,545.65
Step by Step Solution
- Step 1: Write the proportion equation
852,658.24 : 1,176,671.20 = 470,684.12 : x - Step 2: Convert to fraction form
852,658.24/1,176,671.20 = 470,684.12/x - Step 3: Cross multiply
852,658.24x = 1,176,671.20 × 470,684.12 - Step 4: Simplify right side
852,658.24x = 553,840,448,301.34 - Step 5: Solve for x
x = 553,840,448,301.34/852,658.24 - Step 6: Final answer
x = 649,545.65
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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.