Finding the Fourth Proportional to 677,380.84, 934,785.30 and 367,283.68
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Solution
The fourth proportional to 677,380.84, 934,785.30 and 367,283.68 is: 506,851.34
Step by Step Solution
- Step 1: Write the proportion equation
677,380.84 : 934,785.30 = 367,283.68 : x - Step 2: Convert to fraction form
677,380.84/934,785.30 = 367,283.68/x - Step 3: Cross multiply
677,380.84x = 934,785.30 × 367,283.68 - Step 4: Simplify right side
677,380.84x = 343,331,384,993.90 - Step 5: Solve for x
x = 343,331,384,993.90/677,380.84 - Step 6: Final answer
x = 506,851.34
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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.