Finding the Fourth Proportional to 566,201.44, 781,338.48 and 311,528.80
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Solution
The fourth proportional to 566,201.44, 781,338.48 and 311,528.80 is: 429,899.01
Step by Step Solution
- Step 1: Write the proportion equation
566,201.44 : 781,338.48 = 311,528.80 : x - Step 2: Convert to fraction form
566,201.44/781,338.48 = 311,528.80/x - Step 3: Cross multiply
566,201.44x = 781,338.48 × 311,528.80 - Step 4: Simplify right side
566,201.44x = 243,409,439,068.22 - Step 5: Solve for x
x = 243,409,439,068.22/566,201.44 - Step 6: Final answer
x = 429,899.01
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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.