Finding the Fourth Proportional to 742,419.44, 1,024,532.84 and 402,887.69
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Solution
The fourth proportional to 742,419.44, 1,024,532.84 and 402,887.69 is: 555,981.76
Step by Step Solution
- Step 1: Write the proportion equation
742,419.44 : 1,024,532.84 = 402,887.69 : x - Step 2: Convert to fraction form
742,419.44/1,024,532.84 = 402,887.69/x - Step 3: Cross multiply
742,419.44x = 1,024,532.84 × 402,887.69 - Step 4: Simplify right side
742,419.44x = 412,771,662,099.64 - Step 5: Solve for x
x = 412,771,662,099.64/742,419.44 - Step 6: Final answer
x = 555,981.76
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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.