Finding the Fourth Proportional to 890,326.02, 1,228,623.21 and 508,278.18
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Solution
The fourth proportional to 890,326.02, 1,228,623.21 and 508,278.18 is: 701,408.65
Step by Step Solution
- Step 1: Write the proportion equation
890,326.02 : 1,228,623.21 = 508,278.18 : x - Step 2: Convert to fraction form
890,326.02/1,228,623.21 = 508,278.18/x - Step 3: Cross multiply
890,326.02x = 1,228,623.21 × 508,278.18 - Step 4: Simplify right side
890,326.02x = 624,482,369,084.56 - Step 5: Solve for x
x = 624,482,369,084.56/890,326.02 - Step 6: Final answer
x = 701,408.65
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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.