Finding the Fourth Proportional to 708,940.99, 978,422.66 and 403,063.53
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Solution
The fourth proportional to 708,940.99, 978,422.66 and 403,063.53 is: 556,275.48
Step by Step Solution
- Step 1: Write the proportion equation
708,940.99 : 978,422.66 = 403,063.53 : x - Step 2: Convert to fraction form
708,940.99/978,422.66 = 403,063.53/x - Step 3: Cross multiply
708,940.99x = 978,422.66 × 403,063.53 - Step 4: Simplify right side
708,940.99x = 394,366,491,171.59 - Step 5: Solve for x
x = 394,366,491,171.59/708,940.99 - Step 6: Final answer
x = 556,275.48
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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.