Finding the Fourth Proportional to 836,356.40, 1,154,177.36 and 454,383.08
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Solution
The fourth proportional to 836,356.40, 1,154,177.36 and 454,383.08 is: 627,051.65
Step by Step Solution
- Step 1: Write the proportion equation
836,356.40 : 1,154,177.36 = 454,383.08 : x - Step 2: Convert to fraction form
836,356.40/1,154,177.36 = 454,383.08/x - Step 3: Cross multiply
836,356.40x = 1,154,177.36 × 454,383.08 - Step 4: Simplify right side
836,356.40x = 524,438,663,703.07 - Step 5: Solve for x
x = 524,438,663,703.07/836,356.40 - Step 6: Final answer
x = 627,051.65
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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.