Finding the Fourth Proportional to 667,560.60, 1,001,340.69 and 443,358.75
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Solution
The fourth proportional to 667,560.60, 1,001,340.69 and 443,358.75 is: 665,037.99
Step by Step Solution
- Step 1: Write the proportion equation
667,560.60 : 1,001,340.69 = 443,358.75 : x - Step 2: Convert to fraction form
667,560.60/1,001,340.69 = 443,358.75/x - Step 3: Cross multiply
667,560.60x = 1,001,340.69 × 443,358.75 - Step 4: Simplify right side
667,560.60x = 443,953,156,642.54 - Step 5: Solve for x
x = 443,953,156,642.54/667,560.60 - Step 6: Final answer
x = 665,037.99
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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.