Finding the Fourth Proportional to 905,842.80, 1,358,767.44 and 274,762.08
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Solution
The fourth proportional to 905,842.80, 1,358,767.44 and 274,762.08 is: 412,144.10
Step by Step Solution
- Step 1: Write the proportion equation
905,842.80 : 1,358,767.44 = 274,762.08 : x - Step 2: Convert to fraction form
905,842.80/1,358,767.44 = 274,762.08/x - Step 3: Cross multiply
905,842.80x = 1,358,767.44 × 274,762.08 - Step 4: Simplify right side
905,842.80x = 373,337,768,050.68 - Step 5: Solve for x
x = 373,337,768,050.68/905,842.80 - Step 6: Final answer
x = 412,144.10
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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.