Finding the Fourth Proportional to 667,403.65, 1,000,660.68 and 346,767.58
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Solution
The fourth proportional to 667,403.65, 1,000,660.68 and 346,767.58 is: 519,920.26
Step by Step Solution
- Step 1: Write the proportion equation
667,403.65 : 1,000,660.68 = 346,767.58 : x - Step 2: Convert to fraction form
667,403.65/1,000,660.68 = 346,767.58/x - Step 3: Cross multiply
667,403.65x = 1,000,660.68 × 346,767.58 - Step 4: Simplify right side
667,403.65x = 346,996,682,404.75 - Step 5: Solve for x
x = 346,996,682,404.75/667,403.65 - Step 6: Final answer
x = 519,920.26
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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.