Finding the Fourth Proportional to 439,660.80, 616,924.80 and 439,660.80
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Solution
The fourth proportional to 439,660.80, 616,924.80 and 439,660.80 is: 616,924.80
Step by Step Solution
- Step 1: Write the proportion equation
439,660.80 : 616,924.80 = 439,660.80 : x - Step 2: Convert to fraction form
439,660.80/616,924.80 = 439,660.80/x - Step 3: Cross multiply
439,660.80x = 616,924.80 × 439,660.80 - Step 4: Simplify right side
439,660.80x = 271,237,651,107.84 - Step 5: Solve for x
x = 271,237,651,107.84/439,660.80 - Step 6: Final answer
x = 616,924.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.