Finding the Fourth Proportional to 438,700.58, 658,313.04 and 403,008.74
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Solution
The fourth proportional to 438,700.58, 658,313.04 and 403,008.74 is: 604,753.95
Step by Step Solution
- Step 1: Write the proportion equation
438,700.58 : 658,313.04 = 403,008.74 : x - Step 2: Convert to fraction form
438,700.58/658,313.04 = 403,008.74/x - Step 3: Cross multiply
438,700.58x = 658,313.04 × 403,008.74 - Step 4: Simplify right side
438,700.58x = 265,305,908,775.97 - Step 5: Solve for x
x = 265,305,908,775.97/438,700.58 - Step 6: Final answer
x = 604,753.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.