Finding the Fourth Proportional to 673,830.19, 929,887.61 and 367,909.21
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Solution
The fourth proportional to 673,830.19, 929,887.61 and 367,909.21 is: 507,715.77
Step by Step Solution
- Step 1: Write the proportion equation
673,830.19 : 929,887.61 = 367,909.21 : x - Step 2: Convert to fraction form
673,830.19/929,887.61 = 367,909.21/x - Step 3: Cross multiply
673,830.19x = 929,887.61 × 367,909.21 - Step 4: Simplify right side
673,830.19x = 342,114,215,983.89 - Step 5: Solve for x
x = 342,114,215,983.89/673,830.19 - Step 6: Final answer
x = 507,715.77
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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.