Finding the Fourth Proportional to 499,739.76, 748,909.80 and 262,727.28
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Solution
The fourth proportional to 499,739.76, 748,909.80 and 262,727.28 is: 393,722.99
Step by Step Solution
- Step 1: Write the proportion equation
499,739.76 : 748,909.80 = 262,727.28 : x - Step 2: Convert to fraction form
499,739.76/748,909.80 = 262,727.28/x - Step 3: Cross multiply
499,739.76x = 748,909.80 × 262,727.28 - Step 4: Simplify right side
499,739.76x = 196,759,034,719.34 - Step 5: Solve for x
x = 196,759,034,719.34/499,739.76 - Step 6: Final answer
x = 393,722.99
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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.