Finding the Fourth Proportional to 657,295.40, 986,720.70 and 373,212.20
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Solution
The fourth proportional to 657,295.40, 986,720.70 and 373,212.20 is: 560,259.82
Step by Step Solution
- Step 1: Write the proportion equation
657,295.40 : 986,720.70 = 373,212.20 : x - Step 2: Convert to fraction form
657,295.40/986,720.70 = 373,212.20/x - Step 3: Cross multiply
657,295.40x = 986,720.70 × 373,212.20 - Step 4: Simplify right side
657,295.40x = 368,256,203,232.54 - Step 5: Solve for x
x = 368,256,203,232.54/657,295.40 - Step 6: Final answer
x = 560,259.82
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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.