Finding the Fourth Proportional to 506,340.68, 698,512.23 and 361,178.54
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Solution
The fourth proportional to 506,340.68, 698,512.23 and 361,178.54 is: 498,256.68
Step by Step Solution
- Step 1: Write the proportion equation
506,340.68 : 698,512.23 = 361,178.54 : x - Step 2: Convert to fraction form
506,340.68/698,512.23 = 361,178.54/x - Step 3: Cross multiply
506,340.68x = 698,512.23 × 361,178.54 - Step 4: Simplify right side
506,340.68x = 252,287,627,403.54 - Step 5: Solve for x
x = 252,287,627,403.54/506,340.68 - Step 6: Final answer
x = 498,256.68
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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.