Finding the Fourth Proportional to 619,750.96, 929,621.58 and 409,338.88
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Solution
The fourth proportional to 619,750.96, 929,621.58 and 409,338.88 is: 614,005.11
Step by Step Solution
- Step 1: Write the proportion equation
619,750.96 : 929,621.58 = 409,338.88 : x - Step 2: Convert to fraction form
619,750.96/929,621.58 = 409,338.88/x - Step 3: Cross multiply
619,750.96x = 929,621.58 × 409,338.88 - Step 4: Simplify right side
619,750.96x = 380,530,256,381.03 - Step 5: Solve for x
x = 380,530,256,381.03/619,750.96 - Step 6: Final answer
x = 614,005.11
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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.