Finding the Fourth Proportional to 738,149.68, 1,106,830.80 and 382,281.04
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Solution
The fourth proportional to 738,149.68, 1,106,830.80 and 382,281.04 is: 573,217.66
Step by Step Solution
- Step 1: Write the proportion equation
738,149.68 : 1,106,830.80 = 382,281.04 : x - Step 2: Convert to fraction form
738,149.68/1,106,830.80 = 382,281.04/x - Step 3: Cross multiply
738,149.68x = 1,106,830.80 × 382,281.04 - Step 4: Simplify right side
738,149.68x = 423,120,429,328.03 - Step 5: Solve for x
x = 423,120,429,328.03/738,149.68 - Step 6: Final answer
x = 573,217.66
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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.