Finding the Fourth Proportional to 507,411.63, 700,228.36 and 277,977.26
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Solution
The fourth proportional to 507,411.63, 700,228.36 and 277,977.26 is: 383,608.79
Step by Step Solution
- Step 1: Write the proportion equation
507,411.63 : 700,228.36 = 277,977.26 : x - Step 2: Convert to fraction form
507,411.63/700,228.36 = 277,977.26/x - Step 3: Cross multiply
507,411.63x = 700,228.36 × 277,977.26 - Step 4: Simplify right side
507,411.63x = 194,647,560,887.09 - Step 5: Solve for x
x = 194,647,560,887.09/507,411.63 - Step 6: Final answer
x = 383,608.79
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1.5x scale
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.