Finding the Fourth Proportional to 623,034.53, 859,788.41 and 336,554.62
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Solution
The fourth proportional to 623,034.53, 859,788.41 and 336,554.62 is: 464,445.78
Step by Step Solution
- Step 1: Write the proportion equation
623,034.53 : 859,788.41 = 336,554.62 : x - Step 2: Convert to fraction form
623,034.53/859,788.41 = 336,554.62/x - Step 3: Cross multiply
623,034.53x = 859,788.41 × 336,554.62 - Step 4: Simplify right side
623,034.53x = 289,365,758,150.40 - Step 5: Solve for x
x = 289,365,758,150.40/623,034.53 - Step 6: Final answer
x = 464,445.78
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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.