Finding the Fourth Proportional to 669,863.62, 924,358.17 and 383,318.02
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Solution
The fourth proportional to 669,863.62, 924,358.17 and 383,318.02 is: 528,948.18
Step by Step Solution
- Step 1: Write the proportion equation
669,863.62 : 924,358.17 = 383,318.02 : x - Step 2: Convert to fraction form
669,863.62/924,358.17 = 383,318.02/x - Step 3: Cross multiply
669,863.62x = 924,358.17 × 383,318.02 - Step 4: Simplify right side
669,863.62x = 354,323,143,495.22 - Step 5: Solve for x
x = 354,323,143,495.22/669,863.62 - Step 6: Final answer
x = 528,948.18
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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.