Finding the Fourth Proportional to 875,887.20, 1,313,817.84 and 476,434.08
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Solution
The fourth proportional to 875,887.20, 1,313,817.84 and 476,434.08 is: 714,644.07
Step by Step Solution
- Step 1: Write the proportion equation
875,887.20 : 1,313,817.84 = 476,434.08 : x - Step 2: Convert to fraction form
875,887.20/1,313,817.84 = 476,434.08/x - Step 3: Cross multiply
875,887.20x = 1,313,817.84 × 476,434.08 - Step 4: Simplify right side
875,887.20x = 625,947,593,887.99 - Step 5: Solve for x
x = 625,947,593,887.99/875,887.20 - Step 6: Final answer
x = 714,644.07
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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.