Finding the Fourth Proportional to 674,305.12, 930,559.32 and 402,530.75
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Solution
The fourth proportional to 674,305.12, 930,559.32 and 402,530.75 is: 555,503.33
Step by Step Solution
- Step 1: Write the proportion equation
674,305.12 : 930,559.32 = 402,530.75 : x - Step 2: Convert to fraction form
674,305.12/930,559.32 = 402,530.75/x - Step 3: Cross multiply
674,305.12x = 930,559.32 × 402,530.75 - Step 4: Simplify right side
674,305.12x = 374,578,736,346.29 - Step 5: Solve for x
x = 374,578,736,346.29/674,305.12 - Step 6: Final answer
x = 555,503.33
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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.