Finding the Fourth Proportional to 677,941.61, 935,556.84 and 372,023.09
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Solution
The fourth proportional to 677,941.61, 935,556.84 and 372,023.09 is: 513,390.45
Step by Step Solution
- Step 1: Write the proportion equation
677,941.61 : 935,556.84 = 372,023.09 : x - Step 2: Convert to fraction form
677,941.61/935,556.84 = 372,023.09/x - Step 3: Cross multiply
677,941.61x = 935,556.84 × 372,023.09 - Step 4: Simplify right side
677,941.61x = 348,048,746,487.44 - Step 5: Solve for x
x = 348,048,746,487.44/677,941.61 - Step 6: Final answer
x = 513,390.45
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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.