Finding the Fourth Proportional to 673,909.19, 929,957.99 and 383,512.04
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Solution
The fourth proportional to 673,909.19, 929,957.99 and 383,512.04 is: 529,225.73
Step by Step Solution
- Step 1: Write the proportion equation
673,909.19 : 929,957.99 = 383,512.04 : x - Step 2: Convert to fraction form
673,909.19/929,957.99 = 383,512.04/x - Step 3: Cross multiply
673,909.19x = 929,957.99 × 383,512.04 - Step 4: Simplify right side
673,909.19x = 356,650,085,859.20 - Step 5: Solve for x
x = 356,650,085,859.20/673,909.19 - Step 6: Final answer
x = 529,225.73
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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.