Finding the Fourth Proportional to 754,124.02, 1,040,697.12 and 409,959.88
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Solution
The fourth proportional to 754,124.02, 1,040,697.12 and 409,959.88 is: 565,747.88
Step by Step Solution
- Step 1: Write the proportion equation
754,124.02 : 1,040,697.12 = 409,959.88 : x - Step 2: Convert to fraction form
754,124.02/1,040,697.12 = 409,959.88/x - Step 3: Cross multiply
754,124.02x = 1,040,697.12 × 409,959.88 - Step 4: Simplify right side
754,124.02x = 426,644,066,431.55 - Step 5: Solve for x
x = 426,644,066,431.55/754,124.02 - Step 6: Final answer
x = 565,747.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.