Finding the Fourth Proportional to 742,541.49, 1,024,708.28 and 403,009.74
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Solution
The fourth proportional to 742,541.49, 1,024,708.28 and 403,009.74 is: 556,153.99
Step by Step Solution
- Step 1: Write the proportion equation
742,541.49 : 1,024,708.28 = 403,009.74 : x - Step 2: Convert to fraction form
742,541.49/1,024,708.28 = 403,009.74/x - Step 3: Cross multiply
742,541.49x = 1,024,708.28 × 403,009.74 - Step 4: Simplify right side
742,541.49x = 412,967,415,483.60 - Step 5: Solve for x
x = 412,967,415,483.60/742,541.49 - Step 6: Final answer
x = 556,153.99
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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.