Finding the Fourth Proportional to 669,836.08, 924,372.30 and 383,361.76
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Solution
The fourth proportional to 669,836.08, 924,372.30 and 383,361.76 is: 529,038.38
Step by Step Solution
- Step 1: Write the proportion equation
669,836.08 : 924,372.30 = 383,361.76 : x - Step 2: Convert to fraction form
669,836.08/924,372.30 = 383,361.76/x - Step 3: Cross multiply
669,836.08x = 924,372.30 × 383,361.76 - Step 4: Simplify right side
669,836.08x = 354,368,991,823.25 - Step 5: Solve for x
x = 354,368,991,823.25/669,836.08 - Step 6: Final answer
x = 529,038.38
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1.5x scale
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.