Finding the Fourth Proportional to 418,855.84, 623,546.40 and 416,364.76
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Solution
The fourth proportional to 418,855.84, 623,546.40 and 416,364.76 is: 619,837.95
Step by Step Solution
- Step 1: Write the proportion equation
418,855.84 : 623,546.40 = 416,364.76 : x - Step 2: Convert to fraction form
418,855.84/623,546.40 = 416,364.76/x - Step 3: Cross multiply
418,855.84x = 623,546.40 × 416,364.76 - Step 4: Simplify right side
418,855.84x = 259,622,747,184.86 - Step 5: Solve for x
x = 259,622,747,184.86/418,855.84 - Step 6: Final answer
x = 619,837.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.