Finding the Fourth Proportional to 841,134.24, 1,160,750.28 and 478,550.30
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Solution
The fourth proportional to 841,134.24, 1,160,750.28 and 478,550.30 is: 660,390.90
Step by Step Solution
- Step 1: Write the proportion equation
841,134.24 : 1,160,750.28 = 478,550.30 : x - Step 2: Convert to fraction form
841,134.24/1,160,750.28 = 478,550.30/x - Step 3: Cross multiply
841,134.24x = 1,160,750.28 × 478,550.30 - Step 4: Simplify right side
841,134.24x = 555,477,394,719.08 - Step 5: Solve for x
x = 555,477,394,719.08/841,134.24 - Step 6: Final answer
x = 660,390.90
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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.