Finding the Fourth Proportional to 740,082.97, 1,021,339.25 and 453,547.70
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Solution
The fourth proportional to 740,082.97, 1,021,339.25 and 453,547.70 is: 625,910.99
Step by Step Solution
- Step 1: Write the proportion equation
740,082.97 : 1,021,339.25 = 453,547.70 : x - Step 2: Convert to fraction form
740,082.97/1,021,339.25 = 453,547.70/x - Step 3: Cross multiply
740,082.97x = 1,021,339.25 × 453,547.70 - Step 4: Simplify right side
740,082.97x = 463,226,067,757.23 - Step 5: Solve for x
x = 463,226,067,757.23/740,082.97 - Step 6: Final answer
x = 625,910.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.