Finding the Fourth Proportional to 674,496.24, 930,902.88 and 402,575.76
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Solution
The fourth proportional to 674,496.24, 930,902.88 and 402,575.76 is: 555,613.08
Step by Step Solution
- Step 1: Write the proportion equation
674,496.24 : 930,902.88 = 402,575.76 : x - Step 2: Convert to fraction form
674,496.24/930,902.88 = 402,575.76/x - Step 3: Cross multiply
674,496.24x = 930,902.88 × 402,575.76 - Step 4: Simplify right side
674,496.24x = 374,758,934,402.19 - Step 5: Solve for x
x = 374,758,934,402.19/674,496.24 - Step 6: Final answer
x = 555,613.08
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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.