Finding the Fourth Proportional to 852,636.84, 1,176,639.06 and 470,663.88
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Solution
The fourth proportional to 852,636.84, 1,176,639.06 and 470,663.88 is: 649,516.28
Step by Step Solution
- Step 1: Write the proportion equation
852,636.84 : 1,176,639.06 = 470,663.88 : x - Step 2: Convert to fraction form
852,636.84/1,176,639.06 = 470,663.88/x - Step 3: Cross multiply
852,636.84x = 1,176,639.06 × 470,663.88 - Step 4: Simplify right side
852,636.84x = 553,801,505,339.15 - Step 5: Solve for x
x = 553,801,505,339.15/852,636.84 - Step 6: Final answer
x = 649,516.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.