Finding the Fourth Proportional to 771,496.87, 1,157,430.07 and 321,967.68
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Solution
The fourth proportional to 771,496.87, 1,157,430.07 and 321,967.68 is: 483,028.63
Step by Step Solution
- Step 1: Write the proportion equation
771,496.87 : 1,157,430.07 = 321,967.68 : x - Step 2: Convert to fraction form
771,496.87/1,157,430.07 = 321,967.68/x - Step 3: Cross multiply
771,496.87x = 1,157,430.07 × 321,967.68 - Step 4: Simplify right side
771,496.87x = 372,655,072,790.30 - Step 5: Solve for x
x = 372,655,072,790.30/771,496.87 - Step 6: Final answer
x = 483,028.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.