Finding the Fourth Proportional to 746,075.18, 1,119,389.86 and 518,250.75
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Solution
The fourth proportional to 746,075.18, 1,119,389.86 and 518,250.75 is: 777,568.60
Step by Step Solution
- Step 1: Write the proportion equation
746,075.18 : 1,119,389.86 = 518,250.75 : x - Step 2: Convert to fraction form
746,075.18/1,119,389.86 = 518,250.75/x - Step 3: Cross multiply
746,075.18x = 1,119,389.86 × 518,250.75 - Step 4: Simplify right side
746,075.18x = 580,124,634,487.40 - Step 5: Solve for x
x = 580,124,634,487.40/746,075.18 - Step 6: Final answer
x = 777,568.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.