Finding the Fourth Proportional to 957,167.28, 1,320,899.70 and 527,462.79
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Solution
The fourth proportional to 957,167.28, 1,320,899.70 and 527,462.79 is: 727,903.53
Step by Step Solution
- Step 1: Write the proportion equation
957,167.28 : 1,320,899.70 = 527,462.79 : x - Step 2: Convert to fraction form
957,167.28/1,320,899.70 = 527,462.79/x - Step 3: Cross multiply
957,167.28x = 1,320,899.70 × 527,462.79 - Step 4: Simplify right side
957,167.28x = 696,725,438,096.78 - Step 5: Solve for x
x = 696,725,438,096.78/957,167.28 - Step 6: Final answer
x = 727,903.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.