Finding the Fourth Proportional to 627,291.28, 865,471.26 and 355,315.96
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Solution
The fourth proportional to 627,291.28, 865,471.26 and 355,315.96 is: 490,228.00
Step by Step Solution
- Step 1: Write the proportion equation
627,291.28 : 865,471.26 = 355,315.96 : x - Step 2: Convert to fraction form
627,291.28/865,471.26 = 355,315.96/x - Step 3: Cross multiply
627,291.28x = 865,471.26 × 355,315.96 - Step 4: Simplify right side
627,291.28x = 307,515,751,599.31 - Step 5: Solve for x
x = 307,515,751,599.31/627,291.28 - Step 6: Final answer
x = 490,228.00
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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.