Finding the Fourth Proportional to 657,320.14, 907,101.84 and 355,514.14
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Solution
The fourth proportional to 657,320.14, 907,101.84 and 355,514.14 is: 490,609.54
Step by Step Solution
- Step 1: Write the proportion equation
657,320.14 : 907,101.84 = 355,514.14 : x - Step 2: Convert to fraction form
657,320.14/907,101.84 = 355,514.14/x - Step 3: Cross multiply
657,320.14x = 907,101.84 × 355,514.14 - Step 4: Simplify right side
657,320.14x = 322,487,530,540.02 - Step 5: Solve for x
x = 322,487,530,540.02/657,320.14 - Step 6: Final answer
x = 490,609.54
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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.