Finding the Fourth Proportional to 945,108.68, 1,304,221.20 and 537,255.08
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Solution
The fourth proportional to 945,108.68, 1,304,221.20 and 537,255.08 is: 741,395.65
Step by Step Solution
- Step 1: Write the proportion equation
945,108.68 : 1,304,221.20 = 537,255.08 : x - Step 2: Convert to fraction form
945,108.68/1,304,221.20 = 537,255.08/x - Step 3: Cross multiply
945,108.68x = 1,304,221.20 × 537,255.08 - Step 4: Simplify right side
945,108.68x = 700,699,465,143.70 - Step 5: Solve for x
x = 700,699,465,143.70/945,108.68 - Step 6: Final answer
x = 741,395.65
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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.