Finding the Fourth Proportional to 943,838.40, 1,415,692.80 and 304,132.80
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Solution
The fourth proportional to 943,838.40, 1,415,692.80 and 304,132.80 is: 456,178.32
Step by Step Solution
- Step 1: Write the proportion equation
943,838.40 : 1,415,692.80 = 304,132.80 : x - Step 2: Convert to fraction form
943,838.40/1,415,692.80 = 304,132.80/x - Step 3: Cross multiply
943,838.40x = 1,415,692.80 × 304,132.80 - Step 4: Simplify right side
943,838.40x = 430,558,615,203.84 - Step 5: Solve for x
x = 430,558,615,203.84/943,838.40 - Step 6: Final answer
x = 456,178.32
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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.