Finding the Fourth Proportional to 566,193.63, 781,352.67 and 311,550.28
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Solution
The fourth proportional to 566,193.63, 781,352.67 and 311,550.28 is: 429,942.39
Step by Step Solution
- Step 1: Write the proportion equation
566,193.63 : 781,352.67 = 311,550.28 : x - Step 2: Convert to fraction form
566,193.63/781,352.67 = 311,550.28/x - Step 3: Cross multiply
566,193.63x = 781,352.67 × 311,550.28 - Step 4: Simplify right side
566,193.63x = 243,430,643,117.25 - Step 5: Solve for x
x = 243,430,643,117.25/566,193.63 - Step 6: Final answer
x = 429,942.39
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1.5x scale
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.