Finding the Fourth Proportional to 669,880.62, 924,381.63 and 383,335.02
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Solution
The fourth proportional to 669,880.62, 924,381.63 and 383,335.02 is: 528,971.64
Step by Step Solution
- Step 1: Write the proportion equation
669,880.62 : 924,381.63 = 383,335.02 : x - Step 2: Convert to fraction form
669,880.62/924,381.63 = 383,335.02/x - Step 3: Cross multiply
669,880.62x = 924,381.63 × 383,335.02 - Step 4: Simplify right side
669,880.62x = 354,347,850,623.68 - Step 5: Solve for x
x = 354,347,850,623.68/669,880.62 - Step 6: Final answer
x = 528,971.64
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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.