Finding the Fourth Proportional to 624,473.36, 861,794.10 and 382,709.23
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Solution
The fourth proportional to 624,473.36, 861,794.10 and 382,709.23 is: 528,151.52
Step by Step Solution
- Step 1: Write the proportion equation
624,473.36 : 861,794.10 = 382,709.23 : x - Step 2: Convert to fraction form
624,473.36/861,794.10 = 382,709.23/x - Step 3: Cross multiply
624,473.36x = 861,794.10 × 382,709.23 - Step 4: Simplify right side
624,473.36x = 329,816,556,429.54 - Step 5: Solve for x
x = 329,816,556,429.54/624,473.36 - Step 6: Final answer
x = 528,151.52
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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.