Finding the Fourth Proportional to 785,203.20, 1,177,811.28 and 335,692.08
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Solution
The fourth proportional to 785,203.20, 1,177,811.28 and 335,692.08 is: 503,540.89
Step by Step Solution
- Step 1: Write the proportion equation
785,203.20 : 1,177,811.28 = 335,692.08 : x - Step 2: Convert to fraction form
785,203.20/1,177,811.28 = 335,692.08/x - Step 3: Cross multiply
785,203.20x = 1,177,811.28 × 335,692.08 - Step 4: Simplify right side
785,203.20x = 395,381,918,430.66 - Step 5: Solve for x
x = 395,381,918,430.66/785,203.20 - Step 6: Final answer
x = 503,540.89
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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.