Finding the Fourth Proportional to 506,320.10, 698,699.49 and 288,575.91
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Solution
The fourth proportional to 506,320.10, 698,699.49 and 288,575.91 is: 398,222.07
Step by Step Solution
- Step 1: Write the proportion equation
506,320.10 : 698,699.49 = 288,575.91 : x - Step 2: Convert to fraction form
506,320.10/698,699.49 = 288,575.91/x - Step 3: Cross multiply
506,320.10x = 698,699.49 × 288,575.91 - Step 4: Simplify right side
506,320.10x = 201,627,841,143.29 - Step 5: Solve for x
x = 201,627,841,143.29/506,320.10 - Step 6: Final answer
x = 398,222.07
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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.