Finding the Fourth Proportional to 673,945.85, 928,464.68 and 469,625.99
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Solution
The fourth proportional to 673,945.85, 928,464.68 and 469,625.99 is: 646,982.46
Step by Step Solution
- Step 1: Write the proportion equation
673,945.85 : 928,464.68 = 469,625.99 : x - Step 2: Convert to fraction form
673,945.85/928,464.68 = 469,625.99/x - Step 3: Cross multiply
673,945.85x = 928,464.68 × 469,625.99 - Step 4: Simplify right side
673,945.85x = 436,031,137,534.58 - Step 5: Solve for x
x = 436,031,137,534.58/673,945.85 - Step 6: Final answer
x = 646,982.46
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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.