Finding the Fourth Proportional to 836,988.04, 1,155,133.80 and 474,372.97
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Solution
The fourth proportional to 836,988.04, 1,155,133.80 and 474,372.97 is: 654,685.88
Step by Step Solution
- Step 1: Write the proportion equation
836,988.04 : 1,155,133.80 = 474,372.97 : x - Step 2: Convert to fraction form
836,988.04/1,155,133.80 = 474,372.97/x - Step 3: Cross multiply
836,988.04x = 1,155,133.80 × 474,372.97 - Step 4: Simplify right side
836,988.04x = 547,964,251,453.39 - Step 5: Solve for x
x = 547,964,251,453.39/836,988.04 - Step 6: Final answer
x = 654,685.88
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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.