Finding the Fourth Proportional to 677,378.80, 934,884.93 and 432,468.19
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Solution
The fourth proportional to 677,378.80, 934,884.93 and 432,468.19 is: 596,871.34
Step by Step Solution
- Step 1: Write the proportion equation
677,378.80 : 934,884.93 = 432,468.19 : x - Step 2: Convert to fraction form
677,378.80/934,884.93 = 432,468.19/x - Step 3: Cross multiply
677,378.80x = 934,884.93 × 432,468.19 - Step 4: Simplify right side
677,378.80x = 404,307,993,535.38 - Step 5: Solve for x
x = 404,307,993,535.38/677,378.80 - Step 6: Final answer
x = 596,871.34
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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.