Finding the Fourth Proportional to 506,313.24, 698,712.45 and 288,515.68
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Solution
The fourth proportional to 506,313.24, 698,712.45 and 288,515.68 is: 398,151.74
Step by Step Solution
- Step 1: Write the proportion equation
506,313.24 : 698,712.45 = 288,515.68 : x - Step 2: Convert to fraction form
506,313.24/698,712.45 = 288,515.68/x - Step 3: Cross multiply
506,313.24x = 698,712.45 × 288,515.68 - Step 4: Simplify right side
506,313.24x = 201,589,497,636.22 - Step 5: Solve for x
x = 201,589,497,636.22/506,313.24 - Step 6: Final answer
x = 398,151.74
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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.