Finding the Fourth Proportional to 623,148.68, 859,924.86 and 393,828.98
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Solution
The fourth proportional to 623,148.68, 859,924.86 and 393,828.98 is: 543,471.15
Step by Step Solution
- Step 1: Write the proportion equation
623,148.68 : 859,924.86 = 393,828.98 : x - Step 2: Convert to fraction form
623,148.68/859,924.86 = 393,828.98/x - Step 3: Cross multiply
623,148.68x = 859,924.86 × 393,828.98 - Step 4: Simplify right side
623,148.68x = 338,663,330,490.44 - Step 5: Solve for x
x = 338,663,330,490.44/623,148.68 - Step 6: Final answer
x = 543,471.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.