Finding the Fourth Proportional to 964,388.20, 1,330,934.58 and 534,803.08
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Solution
The fourth proportional to 964,388.20, 1,330,934.58 and 534,803.08 is: 738,071.98
Step by Step Solution
- Step 1: Write the proportion equation
964,388.20 : 1,330,934.58 = 534,803.08 : x - Step 2: Convert to fraction form
964,388.20/1,330,934.58 = 534,803.08/x - Step 3: Cross multiply
964,388.20x = 1,330,934.58 × 534,803.08 - Step 4: Simplify right side
964,388.20x = 711,787,912,662.51 - Step 5: Solve for x
x = 711,787,912,662.51/964,388.20 - Step 6: Final answer
x = 738,071.98
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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.