Finding the Fourth Proportional to 742,000.56, 1,112,249.52 and 293,037.99
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Solution
The fourth proportional to 742,000.56, 1,112,249.52 and 293,037.99 is: 439,260.27
Step by Step Solution
- Step 1: Write the proportion equation
742,000.56 : 1,112,249.52 = 293,037.99 : x - Step 2: Convert to fraction form
742,000.56/1,112,249.52 = 293,037.99/x - Step 3: Cross multiply
742,000.56x = 1,112,249.52 × 293,037.99 - Step 4: Simplify right side
742,000.56x = 325,931,363,719.27 - Step 5: Solve for x
x = 325,931,363,719.27/742,000.56 - Step 6: Final answer
x = 439,260.27
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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.