Finding the Fourth Proportional to 623,035.79, 859,790.16 and 336,555.88
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Solution
The fourth proportional to 623,035.79, 859,790.16 and 336,555.88 is: 464,447.53
Step by Step Solution
- Step 1: Write the proportion equation
623,035.79 : 859,790.16 = 336,555.88 : x - Step 2: Convert to fraction form
623,035.79/859,790.16 = 336,555.88/x - Step 3: Cross multiply
623,035.79x = 859,790.16 × 336,555.88 - Step 4: Simplify right side
623,035.79x = 289,367,433,914.14 - Step 5: Solve for x
x = 289,367,433,914.14/623,035.79 - Step 6: Final answer
x = 464,447.53
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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.