Finding the Fourth Proportional to 506,241.47, 698,677.50 and 288,528.41
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Solution
The fourth proportional to 506,241.47, 698,677.50 and 288,528.41 is: 398,205.84
Step by Step Solution
- Step 1: Write the proportion equation
506,241.47 : 698,677.50 = 288,528.41 : x - Step 2: Convert to fraction form
506,241.47/698,677.50 = 288,528.41/x - Step 3: Cross multiply
506,241.47x = 698,677.50 × 288,528.41 - Step 4: Simplify right side
506,241.47x = 201,588,308,177.78 - Step 5: Solve for x
x = 201,588,308,177.78/506,241.47 - Step 6: Final answer
x = 398,205.84
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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.