Finding the Fourth Proportional to 538,302.80, 809,203.80 and 461,320.40
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Solution
The fourth proportional to 538,302.80, 809,203.80 and 461,320.40 is: 693,479.99
Step by Step Solution
- Step 1: Write the proportion equation
538,302.80 : 809,203.80 = 461,320.40 : x - Step 2: Convert to fraction form
538,302.80/809,203.80 = 461,320.40/x - Step 3: Cross multiply
538,302.80x = 809,203.80 × 461,320.40 - Step 4: Simplify right side
538,302.80x = 373,302,220,697.52 - Step 5: Solve for x
x = 373,302,220,697.52/538,302.80 - Step 6: Final answer
x = 693,479.99
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1.5x scale
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.