Finding the Fourth Proportional to 877,256.30, 1,315,687.62 and 403,486.49
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Solution
The fourth proportional to 877,256.30, 1,315,687.62 and 403,486.49 is: 605,139.20
Step by Step Solution
- Step 1: Write the proportion equation
877,256.30 : 1,315,687.62 = 403,486.49 : x - Step 2: Convert to fraction form
877,256.30/1,315,687.62 = 403,486.49/x - Step 3: Cross multiply
877,256.30x = 1,315,687.62 × 403,486.49 - Step 4: Simplify right side
877,256.30x = 530,862,179,730.25 - Step 5: Solve for x
x = 530,862,179,730.25/877,256.30 - Step 6: Final answer
x = 605,139.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.