Finding the Fourth Proportional to 669,829.62, 924,311.25 and 383,284.02
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Solution
The fourth proportional to 669,829.62, 924,311.25 and 383,284.02 is: 528,901.26
Step by Step Solution
- Step 1: Write the proportion equation
669,829.62 : 924,311.25 = 383,284.02 : x - Step 2: Convert to fraction form
669,829.62/924,311.25 = 383,284.02/x - Step 3: Cross multiply
669,829.62x = 924,311.25 × 383,284.02 - Step 4: Simplify right side
669,829.62x = 354,273,731,631.23 - Step 5: Solve for x
x = 354,273,731,631.23/669,829.62 - Step 6: Final answer
x = 528,901.26
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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.