Finding the Fourth Proportional to 742,541.99, 1,024,708.97 and 403,010.24
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Solution
The fourth proportional to 742,541.99, 1,024,708.97 and 403,010.24 is: 556,154.68
Step by Step Solution
- Step 1: Write the proportion equation
742,541.99 : 1,024,708.97 = 403,010.24 : x - Step 2: Convert to fraction form
742,541.99/1,024,708.97 = 403,010.24/x - Step 3: Cross multiply
742,541.99x = 1,024,708.97 × 403,010.24 - Step 4: Simplify right side
742,541.99x = 412,968,205,914.80 - Step 5: Solve for x
x = 412,968,205,914.80/742,541.99 - Step 6: Final answer
x = 556,154.68
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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.