Finding the Fourth Proportional to 875,887.61, 1,313,423.17 and 455,050.49
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Solution
The fourth proportional to 875,887.61, 1,313,423.17 and 455,050.49 is: 682,363.63
Step by Step Solution
- Step 1: Write the proportion equation
875,887.61 : 1,313,423.17 = 455,050.49 : x - Step 2: Convert to fraction form
875,887.61/1,313,423.17 = 455,050.49/x - Step 3: Cross multiply
875,887.61x = 1,313,423.17 × 455,050.49 - Step 4: Simplify right side
875,887.61x = 597,673,849,381.11 - Step 5: Solve for x
x = 597,673,849,381.11/875,887.61 - Step 6: Final answer
x = 682,363.63
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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.