Finding the Fourth Proportional to 624,603.11, 861,951.30 and 338,123.12
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Solution
The fourth proportional to 624,603.11, 861,951.30 and 338,123.12 is: 466,609.37
Step by Step Solution
- Step 1: Write the proportion equation
624,603.11 : 861,951.30 = 338,123.12 : x - Step 2: Convert to fraction form
624,603.11/861,951.30 = 338,123.12/x - Step 3: Cross multiply
624,603.11x = 861,951.30 × 338,123.12 - Step 4: Simplify right side
624,603.11x = 291,445,662,844.06 - Step 5: Solve for x
x = 291,445,662,844.06/624,603.11 - Step 6: Final answer
x = 466,609.37
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1.5x scale
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.