Finding the Fourth Proportional to 742,541.24, 1,024,707.94 and 403,009.50
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Solution
The fourth proportional to 742,541.24, 1,024,707.94 and 403,009.50 is: 556,153.67
Step by Step Solution
- Step 1: Write the proportion equation
742,541.24 : 1,024,707.94 = 403,009.50 : x - Step 2: Convert to fraction form
742,541.24/1,024,707.94 = 403,009.50/x - Step 3: Cross multiply
742,541.24x = 1,024,707.94 × 403,009.50 - Step 4: Simplify right side
742,541.24x = 412,967,034,545.43 - Step 5: Solve for x
x = 412,967,034,545.43/742,541.24 - Step 6: Final answer
x = 556,153.67
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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.