Finding the Fourth Proportional to 742,532.24, 1,024,695.50 and 403,000.49
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Solution
The fourth proportional to 742,532.24, 1,024,695.50 and 403,000.49 is: 556,141.22
Step by Step Solution
- Step 1: Write the proportion equation
742,532.24 : 1,024,695.50 = 403,000.49 : x - Step 2: Convert to fraction form
742,532.24/1,024,695.50 = 403,000.49/x - Step 3: Cross multiply
742,532.24x = 1,024,695.50 × 403,000.49 - Step 4: Simplify right side
742,532.24x = 412,952,786,585.79 - Step 5: Solve for x
x = 412,952,786,585.79/742,532.24 - Step 6: Final answer
x = 556,141.22
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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.