Finding the Fourth Proportional to 668,738.80, 922,859.49 and 382,265.02
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Solution
The fourth proportional to 668,738.80, 922,859.49 and 382,265.02 is: 527,525.70
Step by Step Solution
- Step 1: Write the proportion equation
668,738.80 : 922,859.49 = 382,265.02 : x - Step 2: Convert to fraction form
668,738.80/922,859.49 = 382,265.02/x - Step 3: Cross multiply
668,738.80x = 922,859.49 × 382,265.02 - Step 4: Simplify right side
668,738.80x = 352,776,901,402.04 - Step 5: Solve for x
x = 352,776,901,402.04/668,738.80 - Step 6: Final answer
x = 527,525.70
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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.