Finding the Fourth Proportional to 438,698.58, 658,310.04 and 403,006.74
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Solution
The fourth proportional to 438,698.58, 658,310.04 and 403,006.74 is: 604,750.95
Step by Step Solution
- Step 1: Write the proportion equation
438,698.58 : 658,310.04 = 403,006.74 : x - Step 2: Convert to fraction form
438,698.58/658,310.04 = 403,006.74/x - Step 3: Cross multiply
438,698.58x = 658,310.04 × 403,006.74 - Step 4: Simplify right side
438,698.58x = 265,303,383,129.67 - Step 5: Solve for x
x = 265,303,383,129.67/438,698.58 - Step 6: Final answer
x = 604,750.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.