Finding the Fourth Proportional to 670,448.62, 925,141.53 and 383,951.62
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Solution
The fourth proportional to 670,448.62, 925,141.53 and 383,951.62 is: 529,808.82
Step by Step Solution
- Step 1: Write the proportion equation
670,448.62 : 925,141.53 = 383,951.62 : x - Step 2: Convert to fraction form
670,448.62/925,141.53 = 383,951.62/x - Step 3: Cross multiply
670,448.62x = 925,141.53 × 383,951.62 - Step 4: Simplify right side
670,448.62x = 355,209,589,172.78 - Step 5: Solve for x
x = 355,209,589,172.78/670,448.62 - Step 6: Final answer
x = 529,808.82
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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.