Finding the Fourth Proportional to 657,320.13, 907,101.84 and 355,514.13
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Solution
The fourth proportional to 657,320.13, 907,101.84 and 355,514.13 is: 490,609.53
Step by Step Solution
- Step 1: Write the proportion equation
657,320.13 : 907,101.84 = 355,514.13 : x - Step 2: Convert to fraction form
657,320.13/907,101.84 = 355,514.13/x - Step 3: Cross multiply
657,320.13x = 907,101.84 × 355,514.13 - Step 4: Simplify right side
657,320.13x = 322,487,521,469.00 - Step 5: Solve for x
x = 322,487,521,469.00/657,320.13 - Step 6: Final answer
x = 490,609.53
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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.