Finding the Fourth Proportional to 775,769.84, 1,070,305.08 and 632,283.44
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Solution
The fourth proportional to 775,769.84, 1,070,305.08 and 632,283.44 is: 872,341.44
Step by Step Solution
- Step 1: Write the proportion equation
775,769.84 : 1,070,305.08 = 632,283.44 : x - Step 2: Convert to fraction form
775,769.84/1,070,305.08 = 632,283.44/x - Step 3: Cross multiply
775,769.84x = 1,070,305.08 × 632,283.44 - Step 4: Simplify right side
775,769.84x = 676,736,177,831.88 - Step 5: Solve for x
x = 676,736,177,831.88/775,769.84 - Step 6: Final answer
x = 872,341.44
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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.