Finding the Fourth Proportional to 836,885.62, 1,154,955.81 and 469,397.26
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Solution
The fourth proportional to 836,885.62, 1,154,955.81 and 469,397.26 is: 647,798.31
Step by Step Solution
- Step 1: Write the proportion equation
836,885.62 : 1,154,955.81 = 469,397.26 : x - Step 2: Convert to fraction form
836,885.62/1,154,955.81 = 469,397.26/x - Step 3: Cross multiply
836,885.62x = 1,154,955.81 × 469,397.26 - Step 4: Simplify right side
836,885.62x = 542,133,092,635.08 - Step 5: Solve for x
x = 542,133,092,635.08/836,885.62 - Step 6: Final answer
x = 647,798.31
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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.