Finding the Fourth Proportional to 506,568.24, 698,995.71 and 288,805.01
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Solution
The fourth proportional to 506,568.24, 698,995.71 and 288,805.01 is: 398,511.88
Step by Step Solution
- Step 1: Write the proportion equation
506,568.24 : 698,995.71 = 288,805.01 : x - Step 2: Convert to fraction form
506,568.24/698,995.71 = 288,805.01/x - Step 3: Cross multiply
506,568.24x = 698,995.71 × 288,805.01 - Step 4: Simplify right side
506,568.24x = 201,873,459,521.53 - Step 5: Solve for x
x = 201,873,459,521.53/506,568.24 - Step 6: Final answer
x = 398,511.88
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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.