Finding the Fourth Proportional to 754,126.67, 1,129,675.43 and 348,750.68
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Solution
The fourth proportional to 754,126.67, 1,129,675.43 and 348,750.68 is: 522,425.59
Step by Step Solution
- Step 1: Write the proportion equation
754,126.67 : 1,129,675.43 = 348,750.68 : x - Step 2: Convert to fraction form
754,126.67/1,129,675.43 = 348,750.68/x - Step 3: Cross multiply
754,126.67x = 1,129,675.43 × 348,750.68 - Step 4: Simplify right side
754,126.67x = 393,975,071,633.00 - Step 5: Solve for x
x = 393,975,071,633.00/754,126.67 - Step 6: Final answer
x = 522,425.59
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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.