Finding the Fourth Proportional to 917,271.84, 1,265,810.96 and 509,361.12
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Solution
The fourth proportional to 917,271.84, 1,265,810.96 and 509,361.12 is: 702,904.92
Step by Step Solution
- Step 1: Write the proportion equation
917,271.84 : 1,265,810.96 = 509,361.12 : x - Step 2: Convert to fraction form
917,271.84/1,265,810.96 = 509,361.12/x - Step 3: Cross multiply
917,271.84x = 1,265,810.96 × 509,361.12 - Step 4: Simplify right side
917,271.84x = 644,754,888,293.88 - Step 5: Solve for x
x = 644,754,888,293.88/917,271.84 - Step 6: Final answer
x = 702,904.92
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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.