Finding the Fourth Proportional to 852,220.80, 1,176,036.48 and 470,247.84
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Solution
The fourth proportional to 852,220.80, 1,176,036.48 and 470,247.84 is: 648,926.45
Step by Step Solution
- Step 1: Write the proportion equation
852,220.80 : 1,176,036.48 = 470,247.84 : x - Step 2: Convert to fraction form
852,220.80/1,176,036.48 = 470,247.84/x - Step 3: Cross multiply
852,220.80x = 1,176,036.48 × 470,247.84 - Step 4: Simplify right side
852,220.80x = 553,028,614,481.20 - Step 5: Solve for x
x = 553,028,614,481.20/852,220.80 - Step 6: Final answer
x = 648,926.45
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1.5x scale
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.