Finding the Fourth Proportional to 852,470.71, 1,176,407.16 and 470,494.75
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Solution
The fourth proportional to 852,470.71, 1,176,407.16 and 470,494.75 is: 649,281.42
Step by Step Solution
- Step 1: Write the proportion equation
852,470.71 : 1,176,407.16 = 470,494.75 : x - Step 2: Convert to fraction form
852,470.71/1,176,407.16 = 470,494.75/x - Step 3: Cross multiply
852,470.71x = 1,176,407.16 × 470,494.75 - Step 4: Simplify right side
852,470.71x = 553,493,392,642.41 - Step 5: Solve for x
x = 553,493,392,642.41/852,470.71 - Step 6: Final answer
x = 649,281.42
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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.