Finding the Fourth Proportional to 990,213.71, 1,482,762.50 and 683,412.38
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Solution
The fourth proportional to 990,213.71, 1,482,762.50 and 683,412.38 is: 1,023,353.08
Step by Step Solution
- Step 1: Write the proportion equation
990,213.71 : 1,482,762.50 = 683,412.38 : x - Step 2: Convert to fraction form
990,213.71/1,482,762.50 = 683,412.38/x - Step 3: Cross multiply
990,213.71x = 1,482,762.50 × 683,412.38 - Step 4: Simplify right side
990,213.71x = 1,013,338,249,389.59 - Step 5: Solve for x
x = 1,013,338,249,389.59/990,213.71 - Step 6: Final answer
x = 1,023,353.08
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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.