Finding the Fourth Proportional to 945,129.12, 1,304,526.24 and 537,469.20
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Solution
The fourth proportional to 945,129.12, 1,304,526.24 and 537,469.20 is: 741,848.56
Step by Step Solution
- Step 1: Write the proportion equation
945,129.12 : 1,304,526.24 = 537,469.20 : x - Step 2: Convert to fraction form
945,129.12/1,304,526.24 = 537,469.20/x - Step 3: Cross multiply
945,129.12x = 1,304,526.24 × 537,469.20 - Step 4: Simplify right side
945,129.12x = 701,142,674,591.81 - Step 5: Solve for x
x = 701,142,674,591.81/945,129.12 - Step 6: Final answer
x = 741,848.56
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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.