Finding the Fourth Proportional to 616,414.19, 923,126.56 and 426,341.09
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Solution
The fourth proportional to 616,414.19, 923,126.56 and 426,341.09 is: 638,477.82
Step by Step Solution
- Step 1: Write the proportion equation
616,414.19 : 923,126.56 = 426,341.09 : x - Step 2: Convert to fraction form
616,414.19/923,126.56 = 426,341.09/x - Step 3: Cross multiply
616,414.19x = 923,126.56 × 426,341.09 - Step 4: Simplify right side
616,414.19x = 393,566,785,040.31 - Step 5: Solve for x
x = 393,566,785,040.31/616,414.19 - Step 6: Final answer
x = 638,477.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.