Finding the Fourth Proportional to 556,057.63, 767,358.79 and 301,408.75
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Solution
The fourth proportional to 556,057.63, 767,358.79 and 301,408.75 is: 415,943.67
Step by Step Solution
- Step 1: Write the proportion equation
556,057.63 : 767,358.79 = 301,408.75 : x - Step 2: Convert to fraction form
556,057.63/767,358.79 = 301,408.75/x - Step 3: Cross multiply
556,057.63x = 767,358.79 × 301,408.75 - Step 4: Simplify right side
556,057.63x = 231,288,653,695.41 - Step 5: Solve for x
x = 231,288,653,695.41/556,057.63 - Step 6: Final answer
x = 415,943.67
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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.