Finding the Fourth Proportional to 953,748.44, 1,430,400.69 and 354,991.58
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Solution
The fourth proportional to 953,748.44, 1,430,400.69 and 354,991.58 is: 532,404.75
Step by Step Solution
- Step 1: Write the proportion equation
953,748.44 : 1,430,400.69 = 354,991.58 : x - Step 2: Convert to fraction form
953,748.44/1,430,400.69 = 354,991.58/x - Step 3: Cross multiply
953,748.44x = 1,430,400.69 × 354,991.58 - Step 4: Simplify right side
953,748.44x = 507,780,200,976.19 - Step 5: Solve for x
x = 507,780,200,976.19/953,748.44 - Step 6: Final answer
x = 532,404.75
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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.