Finding the Fourth Proportional to 841,278.99, 1,160,959.01 and 459,305.76
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Solution
The fourth proportional to 841,278.99, 1,160,959.01 and 459,305.76 is: 633,838.68
Step by Step Solution
- Step 1: Write the proportion equation
841,278.99 : 1,160,959.01 = 459,305.76 : x - Step 2: Convert to fraction form
841,278.99/1,160,959.01 = 459,305.76/x - Step 3: Cross multiply
841,278.99x = 1,160,959.01 × 459,305.76 - Step 4: Simplify right side
841,278.99x = 533,235,160,416.90 - Step 5: Solve for x
x = 533,235,160,416.90/841,278.99 - Step 6: Final answer
x = 633,838.68
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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.