Finding the Fourth Proportional to 767,646.96, 1,059,404.88 and 445,356.96
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Solution
The fourth proportional to 767,646.96, 1,059,404.88 and 445,356.96 is: 614,622.82
Step by Step Solution
- Step 1: Write the proportion equation
767,646.96 : 1,059,404.88 = 445,356.96 : x - Step 2: Convert to fraction form
767,646.96/1,059,404.88 = 445,356.96/x - Step 3: Cross multiply
767,646.96x = 1,059,404.88 × 445,356.96 - Step 4: Simplify right side
767,646.96x = 471,813,336,765.97 - Step 5: Solve for x
x = 471,813,336,765.97/767,646.96 - Step 6: Final answer
x = 614,622.82
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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.