Finding the Fourth Proportional to 565,798.19, 780,742.46 and 324,090.95
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Solution
The fourth proportional to 565,798.19, 780,742.46 and 324,090.95 is: 447,211.69
Step by Step Solution
- Step 1: Write the proportion equation
565,798.19 : 780,742.46 = 324,090.95 : x - Step 2: Convert to fraction form
565,798.19/780,742.46 = 324,090.95/x - Step 3: Cross multiply
565,798.19x = 780,742.46 × 324,090.95 - Step 4: Simplify right side
565,798.19x = 253,031,565,898.14 - Step 5: Solve for x
x = 253,031,565,898.14/565,798.19 - Step 6: Final answer
x = 447,211.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.