Finding the Fourth Proportional to 669,929.05, 924,543.48 and 383,442.58
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Solution
The fourth proportional to 669,929.05, 924,543.48 and 383,442.58 is: 529,174.45
Step by Step Solution
- Step 1: Write the proportion equation
669,929.05 : 924,543.48 = 383,442.58 : x - Step 2: Convert to fraction form
669,929.05/924,543.48 = 383,442.58/x - Step 3: Cross multiply
669,929.05x = 924,543.48 × 383,442.58 - Step 4: Simplify right side
669,929.05x = 354,509,337,293.38 - Step 5: Solve for x
x = 354,509,337,293.38/669,929.05 - Step 6: Final answer
x = 529,174.45
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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.