Finding the Fourth Proportional to 672,574.80, 928,147.14 and 370,768.80
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Solution
The fourth proportional to 672,574.80, 928,147.14 and 370,768.80 is: 511,657.59
Step by Step Solution
- Step 1: Write the proportion equation
672,574.80 : 928,147.14 = 370,768.80 : x - Step 2: Convert to fraction form
672,574.80/928,147.14 = 370,768.80/x - Step 3: Cross multiply
672,574.80x = 928,147.14 × 370,768.80 - Step 4: Simplify right side
672,574.80x = 344,128,001,321.23 - Step 5: Solve for x
x = 344,128,001,321.23/672,574.80 - Step 6: Final answer
x = 511,657.59
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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.