Finding the Fourth Proportional to 852,478.76, 1,176,415.00 and 470,505.53
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Solution
The fourth proportional to 852,478.76, 1,176,415.00 and 470,505.53 is: 649,294.49
Step by Step Solution
- Step 1: Write the proportion equation
852,478.76 : 1,176,415.00 = 470,505.53 : x - Step 2: Convert to fraction form
852,478.76/1,176,415.00 = 470,505.53/x - Step 3: Cross multiply
852,478.76x = 1,176,415.00 × 470,505.53 - Step 4: Simplify right side
852,478.76x = 553,509,764,839.72 - Step 5: Solve for x
x = 553,509,764,839.72/852,478.76 - Step 6: Final answer
x = 649,294.49
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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.